From e4a77790988bfecdb7e05324e14c798472f9a001 Mon Sep 17 00:00:00 2001
From: Christopher Wilcox <crwilcox@google.com>
Date: Wed, 28 Nov 2018 14:28:56 -0800
Subject: [PATCH] Run Black on Generated libraries (#6666)

* blacken appveyor

* Blacken all gen'd libraries not under PR
---
 packages/google-cloud-monitoring/docs/conf.py | 168 ++++----
 .../google/__init__.py                        |   2 +
 .../google/cloud/__init__.py                  |   2 +
 .../google/cloud/monitoring.py                |  14 +-
 .../google/cloud/monitoring_v3/__init__.py    |  26 +-
 .../google/cloud/monitoring_v3/_dataframe.py  |  54 ++-
 .../gapic/alert_policy_service_client.py      | 268 ++++++------
 .../alert_policy_service_client_config.py     |  18 +-
 .../google/cloud/monitoring_v3/gapic/enums.py |  14 +
 .../gapic/group_service_client.py             | 315 +++++++-------
 .../gapic/group_service_client_config.py      |  20 +-
 .../gapic/metric_service_client.py            | 404 +++++++++---------
 .../gapic/metric_service_client_config.py     |  24 +-
 .../notification_channel_service_client.py    | 362 ++++++++--------
 ...ification_channel_service_client_config.py |  22 +-
 .../alert_policy_service_grpc_transport.py    |  48 +--
 .../group_service_grpc_transport.py           |  48 +--
 .../metric_service_grpc_transport.py          |  54 +--
 ...fication_channel_service_grpc_transport.py |  60 ++-
 .../uptime_check_service_grpc_transport.py    |  50 +--
 .../gapic/uptime_check_service_client.py      | 298 ++++++-------
 .../uptime_check_service_client_config.py     |  20 +-
 .../google/cloud/monitoring_v3/query.py       | 111 ++---
 .../google/cloud/monitoring_v3/types.py       |   2 +-
 .../gapic/v3/test_system_metric_service_v3.py |   2 +-
 .../v3/test_alert_policy_service_client_v3.py |  80 ++--
 .../gapic/v3/test_group_service_client_v3.py  | 127 +++---
 .../gapic/v3/test_metric_service_client_v3.py | 201 +++++----
 ..._notification_channel_service_client_v3.py | 187 ++++----
 .../v3/test_uptime_check_service_client_v3.py | 117 +++--
 .../tests/unit/test__dataframe.py             |  90 ++--
 .../tests/unit/test_query.py                  | 231 +++++-----
 32 files changed, 1741 insertions(+), 1698 deletions(-)

diff --git a/packages/google-cloud-monitoring/docs/conf.py b/packages/google-cloud-monitoring/docs/conf.py
index d2f757ae417b..9215b3091bae 100644
--- a/packages/google-cloud-monitoring/docs/conf.py
+++ b/packages/google-cloud-monitoring/docs/conf.py
@@ -18,50 +18,50 @@
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.insert(0, os.path.abspath('..'))
+sys.path.insert(0, os.path.abspath(".."))
 
-__version__ = '0.1.0'
+__version__ = "0.1.0"
 
 # -- General configuration ------------------------------------------------
 
 # If your documentation needs a minimal Sphinx version, state it here.
-#needs_sphinx = '1.0'
+# needs_sphinx = '1.0'
 
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    'sphinx.ext.autosummary',
-    'sphinx.ext.intersphinx',
-    'sphinx.ext.coverage',
-    'sphinx.ext.napoleon',
-    'sphinx.ext.viewcode',
+    "sphinx.ext.autodoc",
+    "sphinx.ext.autosummary",
+    "sphinx.ext.intersphinx",
+    "sphinx.ext.coverage",
+    "sphinx.ext.napoleon",
+    "sphinx.ext.viewcode",
 ]
 
 # autodoc/autosummary flags
-autoclass_content = 'both'
-autodoc_default_flags = ['members']
+autoclass_content = "both"
+autodoc_default_flags = ["members"]
 autosummary_generate = True
 
 # Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
+templates_path = ["_templates"]
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of string:
 # source_suffix = ['.rst', '.md']
-source_suffix = '.rst'
+source_suffix = ".rst"
 
 # The encoding of source files.
-#source_encoding = 'utf-8-sig'
+# source_encoding = 'utf-8-sig'
 
 # The master toctree document.
-master_doc = 'index'
+master_doc = "index"
 
 # General information about the project.
-project = u'google-cloud-monitoring'
-copyright = u'2017, Google'
-author = u'Google APIs'
+project = u"google-cloud-monitoring"
+copyright = u"2017, Google"
+author = u"Google APIs"
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -70,7 +70,7 @@
 # The full version, including alpha/beta/rc tags.
 release = __version__
 # The short X.Y version.
-version = '.'.join(release.split('.')[0:2])
+version = ".".join(release.split(".")[0:2])
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
@@ -81,37 +81,37 @@
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
-#today = ''
+# today = ''
 # Else, today_fmt is used as the format for a strftime call.
-#today_fmt = '%B %d, %Y'
+# today_fmt = '%B %d, %Y'
 
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
-exclude_patterns = ['_build']
+exclude_patterns = ["_build"]
 
 # The reST default role (used for this markup: `text`) to use for all
 # documents.
-#default_role = None
+# default_role = None
 
 # If true, '()' will be appended to :func: etc. cross-reference text.
-#add_function_parentheses = True
+# add_function_parentheses = True
 
 # If true, the current module name will be prepended to all description
 # unit titles (such as .. function::).
-#add_module_names = True
+# add_module_names = True
 
 # If true, sectionauthor and moduleauthor directives will be shown in the
 # output. They are ignored by default.
-#show_authors = False
+# show_authors = False
 
 # The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
+pygments_style = "sphinx"
 
 # A list of ignored prefixes for module index sorting.
-#modindex_common_prefix = []
+# modindex_common_prefix = []
 
 # If true, keep warnings as "system message" paragraphs in the built documents.
-#keep_warnings = False
+# keep_warnings = False
 
 # If true, `todo` and `todoList` produce output, else they produce nothing.
 todo_include_todos = True
@@ -120,31 +120,31 @@
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
-html_theme = 'sphinx_rtd_theme'
+html_theme = "sphinx_rtd_theme"
 
 # Theme options are theme-specific and customize the look and feel of a theme
 # further.  For a list of options available for each theme, see the
 # documentation.
-#html_theme_options = {}
+# html_theme_options = {}
 
 # Add any paths that contain custom themes here, relative to this directory.
-#html_theme_path = []
+# html_theme_path = []
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
-#html_title = None
+# html_title = None
 
 # A shorter title for the navigation bar.  Default is the same as html_title.
-#html_short_title = None
+# html_short_title = None
 
 # The name of an image file (relative to this directory) to place at the top
 # of the sidebar.
-#html_logo = None
+# html_logo = None
 
 # The name of an image file (within the static path) to use as favicon of the
 # docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
 # pixels large.
-#html_favicon = None
+# html_favicon = None
 
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
@@ -154,78 +154,75 @@
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
 # directly to the root of the documentation.
-#html_extra_path = []
+# html_extra_path = []
 
 # If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
 # using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
+# html_last_updated_fmt = '%b %d, %Y'
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
-#html_use_smartypants = True
+# html_use_smartypants = True
 
 # Custom sidebar templates, maps document names to template names.
-#html_sidebars = {}
+# html_sidebars = {}
 
 # Additional templates that should be rendered to pages, maps page names to
 # template names.
-#html_additional_pages = {}
+# html_additional_pages = {}
 
 # If false, no module index is generated.
-#html_domain_indices = True
+# html_domain_indices = True
 
 # If false, no index is generated.
-#html_use_index = True
+# html_use_index = True
 
 # If true, the index is split into individual pages for each letter.
-#html_split_index = False
+# html_split_index = False
 
 # If true, links to the reST sources are added to the pages.
-#html_show_sourcelink = True
+# html_show_sourcelink = True
 
 # If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
-#html_show_sphinx = True
+# html_show_sphinx = True
 
 # If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
-#html_show_copyright = True
+# html_show_copyright = True
 
 # If true, an OpenSearch description file will be output, and all pages will
 # contain a <link> tag referring to it.  The value of this option must be the
 # base URL from which the finished HTML is served.
-#html_use_opensearch = ''
+# html_use_opensearch = ''
 
 # This is the file name suffix for HTML files (e.g. ".xhtml").
-#html_file_suffix = None
+# html_file_suffix = None
 
 # Language to be used for generating the HTML full-text search index.
 # Sphinx supports the following languages:
 #   'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja'
 #   'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr'
-#html_search_language = 'en'
+# html_search_language = 'en'
 
 # A dictionary with options for the search language support, empty by default.
 # Now only 'ja' uses this config value
-#html_search_options = {'type': 'default'}
+# html_search_options = {'type': 'default'}
 
 # The name of a javascript file (relative to the configuration directory) that
 # implements a search results scorer. If empty, the default will be used.
-#html_search_scorer = 'scorer.js'
+# html_search_scorer = 'scorer.js'
 
 # Output file base name for HTML help builder.
-htmlhelp_basename = 'google-cloud-monitoring-doc'
+htmlhelp_basename = "google-cloud-monitoring-doc"
 
 # -- Options for LaTeX output ---------------------------------------------
 
 latex_elements = {
     # The paper size ('letterpaper' or 'a4paper').
     #'papersize': 'letterpaper',
-
     # The font size ('10pt', '11pt' or '12pt').
     #'pointsize': '10pt',
-
     # Additional stuff for the LaTeX preamble.
     #'preamble': '',
-
     # Latex figure (float) alignment
     #'figure_align': 'htbp',
 }
@@ -234,39 +231,51 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, 'google-cloud-monitoring.tex',
-     u'google-cloud-monitoring Documentation', author, 'manual'),
+    (
+        master_doc,
+        "google-cloud-monitoring.tex",
+        u"google-cloud-monitoring Documentation",
+        author,
+        "manual",
+    )
 ]
 
 # The name of an image file (relative to this directory) to place at the top of
 # the title page.
-#latex_logo = None
+# latex_logo = None
 
 # For "manual" documents, if this is true, then toplevel headings are parts,
 # not chapters.
-#latex_use_parts = False
+# latex_use_parts = False
 
 # If true, show page references after internal links.
-#latex_show_pagerefs = False
+# latex_show_pagerefs = False
 
 # If true, show URL addresses after external links.
-#latex_show_urls = False
+# latex_show_urls = False
 
 # Documents to append as an appendix to all manuals.
-#latex_appendices = []
+# latex_appendices = []
 
 # If false, no module index is generated.
-#latex_domain_indices = True
+# latex_domain_indices = True
 
 # -- Options for manual page output ---------------------------------------
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [(master_doc, 'google-cloud-monitoring',
-              u'google-cloud-monitoring Documentation', [author], 1)]
+man_pages = [
+    (
+        master_doc,
+        "google-cloud-monitoring",
+        u"google-cloud-monitoring Documentation",
+        [author],
+        1,
+    )
+]
 
 # If true, show URL addresses after external links.
-#man_show_urls = False
+# man_show_urls = False
 
 # -- Options for Texinfo output -------------------------------------------
 
@@ -274,28 +283,33 @@
 # (source start file, target name, title, author,
 #  dir menu entry, description, category)
 texinfo_documents = [
-    (master_doc, 'google-cloud-monitoring',
-     u'google-cloud-monitoring Documentation', author,
-     'google-cloud-monitoring',
-     'GAPIC library for the {metadata.shortName} v3 service', 'APIs'),
+    (
+        master_doc,
+        "google-cloud-monitoring",
+        u"google-cloud-monitoring Documentation",
+        author,
+        "google-cloud-monitoring",
+        "GAPIC library for the {metadata.shortName} v3 service",
+        "APIs",
+    )
 ]
 
 # Documents to append as an appendix to all manuals.
-#texinfo_appendices = []
+# texinfo_appendices = []
 
 # If false, no module index is generated.
-#texinfo_domain_indices = True
+# texinfo_domain_indices = True
 
 # How to display URL addresses: 'footnote', 'no', or 'inline'.
-#texinfo_show_urls = 'footnote'
+# texinfo_show_urls = 'footnote'
 
 # If true, do not generate a @detailmenu in the "Top" node's menu.
-#texinfo_no_detailmenu = False
+# texinfo_no_detailmenu = False
 
 # Example configuration for intersphinx: refer to the Python standard library.
 intersphinx_mapping = {
-    'python': ('http://python.readthedocs.org/en/latest/', None),
-    'gax': ('https://gax-python.readthedocs.org/en/latest/', None),
+    "python": ("http://python.readthedocs.org/en/latest/", None),
+    "gax": ("https://gax-python.readthedocs.org/en/latest/", None),
 }
 
 # Napoleon settings
diff --git a/packages/google-cloud-monitoring/google/__init__.py b/packages/google-cloud-monitoring/google/__init__.py
index f65701dd143f..7aa71bb4e2f1 100644
--- a/packages/google-cloud-monitoring/google/__init__.py
+++ b/packages/google-cloud-monitoring/google/__init__.py
@@ -16,7 +16,9 @@
 
 try:
     import pkg_resources
+
     pkg_resources.declare_namespace(__name__)
 except ImportError:
     import pkgutil
+
     __path__ = pkgutil.extend_path(__path__, __name__)
diff --git a/packages/google-cloud-monitoring/google/cloud/__init__.py b/packages/google-cloud-monitoring/google/cloud/__init__.py
index f65701dd143f..7aa71bb4e2f1 100644
--- a/packages/google-cloud-monitoring/google/cloud/__init__.py
+++ b/packages/google-cloud-monitoring/google/cloud/__init__.py
@@ -16,7 +16,9 @@
 
 try:
     import pkg_resources
+
     pkg_resources.declare_namespace(__name__)
 except ImportError:
     import pkgutil
+
     __path__ = pkgutil.extend_path(__path__, __name__)
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring.py b/packages/google-cloud-monitoring/google/cloud/monitoring.py
index 4e2d0a6f5fca..a3823be6c9e3 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring.py
@@ -25,11 +25,11 @@
 from google.cloud.monitoring_v3 import types
 
 __all__ = (
-    'enums',
-    'types',
-    'AlertPolicyServiceClient',
-    'GroupServiceClient',
-    'MetricServiceClient',
-    'NotificationChannelServiceClient',
-    'UptimeCheckServiceClient',
+    "enums",
+    "types",
+    "AlertPolicyServiceClient",
+    "GroupServiceClient",
+    "MetricServiceClient",
+    "NotificationChannelServiceClient",
+    "UptimeCheckServiceClient",
 )
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/__init__.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/__init__.py
index efdeb66436b7..65f4fa7d1cf3 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/__init__.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/__init__.py
@@ -22,12 +22,12 @@
 from google.cloud.monitoring_v3.gapic import group_service_client
 from google.cloud.monitoring_v3.gapic import metric_service_client
 from google.cloud.monitoring_v3.gapic import (
-    notification_channel_service_client as notification_client)
+    notification_channel_service_client as notification_client,
+)
 from google.cloud.monitoring_v3.gapic import uptime_check_service_client
 
 
-class AlertPolicyServiceClient(
-        alert_policy_service_client.AlertPolicyServiceClient):
+class AlertPolicyServiceClient(alert_policy_service_client.AlertPolicyServiceClient):
     __doc__ = alert_policy_service_client.AlertPolicyServiceClient.__doc__
     enums = enums
 
@@ -43,23 +43,23 @@ class MetricServiceClient(metric_service_client.MetricServiceClient):
 
 
 class NotificationChannelServiceClient(
-        notification_client.NotificationChannelServiceClient):
+    notification_client.NotificationChannelServiceClient
+):
     __doc__ = notification_client.NotificationChannelServiceClient.__doc__
     enums = enums
 
 
-class UptimeCheckServiceClient(
-        uptime_check_service_client.UptimeCheckServiceClient):
+class UptimeCheckServiceClient(uptime_check_service_client.UptimeCheckServiceClient):
     __doc__ = uptime_check_service_client.UptimeCheckServiceClient.__doc__
     enums = enums
 
 
 __all__ = (
-    'enums',
-    'types',
-    'AlertPolicyServiceClient',
-    'GroupServiceClient',
-    'MetricServiceClient',
-    'NotificationChannelServiceClient',
-    'UptimeCheckServiceClient',
+    "enums",
+    "types",
+    "AlertPolicyServiceClient",
+    "GroupServiceClient",
+    "MetricServiceClient",
+    "NotificationChannelServiceClient",
+    "UptimeCheckServiceClient",
 )
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/_dataframe.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/_dataframe.py
index 24708249e562..5bedb39bc356 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/_dataframe.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/_dataframe.py
@@ -15,6 +15,7 @@
 """Time series as :mod:`pandas` dataframes."""
 
 import itertools
+
 try:
     import pandas
 except ImportError:  # pragma: NO COVER
@@ -22,13 +23,7 @@
 
 from google.cloud.monitoring_v3.types import TimeSeries
 
-TOP_RESOURCE_LABELS = (
-    'project_id',
-    'aws_account',
-    'location',
-    'region',
-    'zone',
-)
+TOP_RESOURCE_LABELS = ("project_id", "aws_account", "location", "region", "zone")
 
 
 def _extract_header(time_series):
@@ -37,13 +32,13 @@ def _extract_header(time_series):
         metric=time_series.metric,
         resource=time_series.resource,
         metric_kind=time_series.metric_kind,
-        value_type=time_series.value_type
+        value_type=time_series.value_type,
     )
 
 
 def _extract_labels(time_series):
     """Build the combined resource and metric labels, with resource_type."""
-    labels = {'resource_type': time_series.resource.type}
+    labels = {"resource_type": time_series.resource.type}
     labels.update(time_series.resource.labels)
     labels.update(time_series.metric.labels)
     return labels
@@ -51,12 +46,11 @@ def _extract_labels(time_series):
 
 def _extract_value(typed_value):
     """Extract the value from a TypedValue."""
-    value_type = typed_value.WhichOneof('value')
+    value_type = typed_value.WhichOneof("value")
     return typed_value.__getattribute__(value_type)
 
 
-def _build_dataframe(time_series_iterable,
-                     label=None, labels=None):  # pragma: NO COVER
+def _build_dataframe(time_series_iterable, label=None, labels=None):  # pragma: NO COVER
     """Build a :mod:`pandas` dataframe out of time series.
 
     :type time_series_iterable:
@@ -88,11 +82,11 @@ def _build_dataframe(time_series_iterable,
     :raises: :exc:`RuntimeError` if `pandas` is not installed.
     """
     if pandas is None:
-        raise RuntimeError('This method requires `pandas` to be installed.')
+        raise RuntimeError("This method requires `pandas` to be installed.")
 
     if label is not None:
         if labels:
-            raise ValueError('Cannot specify both `label` and `labels`.')
+            raise ValueError("Cannot specify both `label` and `labels`.")
         labels = (label,)
 
     columns = []
@@ -100,21 +94,26 @@ def _build_dataframe(time_series_iterable,
     for time_series in time_series_iterable:
         pandas_series = pandas.Series(
             data=[_extract_value(point.value) for point in time_series.points],
-            index=[point.interval.end_time.ToNanoseconds()
-                   for point in time_series.points],
+            index=[
+                point.interval.end_time.ToNanoseconds() for point in time_series.points
+            ],
         )
         columns.append(pandas_series)
         headers.append(_extract_header(time_series))
 
     # Implement a smart default of using all available labels.
     if labels is None:
-        resource_labels = set(itertools.chain.from_iterable(
-            header.resource.labels for header in headers))
-        metric_labels = set(itertools.chain.from_iterable(
-            header.metric.labels for header in headers))
-        labels = (['resource_type'] +
-                  _sorted_resource_labels(resource_labels) +
-                  sorted(metric_labels))
+        resource_labels = set(
+            itertools.chain.from_iterable(header.resource.labels for header in headers)
+        )
+        metric_labels = set(
+            itertools.chain.from_iterable(header.metric.labels for header in headers)
+        )
+        labels = (
+            ["resource_type"]
+            + _sorted_resource_labels(resource_labels)
+            + sorted(metric_labels)
+        )
 
     # Assemble the columns into a DataFrame.
     dataframe = pandas.DataFrame.from_records(columns).T
@@ -126,15 +125,15 @@ def _build_dataframe(time_series_iterable,
     # be undefined for some time series.
     levels = []
     for key in labels:
-        level = [_extract_labels(header).get(key, '') for header in headers]
+        level = [_extract_labels(header).get(key, "") for header in headers]
         levels.append(level)
 
     # Build a column Index or MultiIndex. Do not include level names
     # in the column header if the user requested a single-level header
     # by specifying "label".
     dataframe.columns = pandas.MultiIndex.from_arrays(
-        levels,
-        names=labels if not label else None)
+        levels, names=labels if not label else None
+    )
 
     # Sort the rows just in case (since the API doesn't guarantee the
     # ordering), and sort the columns lexicographically.
@@ -144,6 +143,5 @@ def _build_dataframe(time_series_iterable,
 def _sorted_resource_labels(labels):
     """Sort label names, putting well-known resource labels first."""
     head = [label for label in TOP_RESOURCE_LABELS if label in labels]
-    tail = sorted(label for label in labels
-                  if label not in TOP_RESOURCE_LABELS)
+    tail = sorted(label for label in labels if label not in TOP_RESOURCE_LABELS)
     return head + tail
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/alert_policy_service_client.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/alert_policy_service_client.py
index 7984cdca7bef..f3a079892da5 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/alert_policy_service_client.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/alert_policy_service_client.py
@@ -30,7 +30,9 @@
 
 from google.cloud.monitoring_v3.gapic import alert_policy_service_client_config
 from google.cloud.monitoring_v3.gapic import enums
-from google.cloud.monitoring_v3.gapic.transports import alert_policy_service_grpc_transport
+from google.cloud.monitoring_v3.gapic.transports import (
+    alert_policy_service_grpc_transport,
+)
 from google.cloud.monitoring_v3.proto import alert_pb2
 from google.cloud.monitoring_v3.proto import alert_service_pb2
 from google.cloud.monitoring_v3.proto import alert_service_pb2_grpc
@@ -38,7 +40,8 @@
 from google.protobuf import field_mask_pb2
 
 _GAPIC_LIBRARY_VERSION = pkg_resources.get_distribution(
-    'google-cloud-monitoring', ).version
+    "google-cloud-monitoring"
+).version
 
 
 class AlertPolicyServiceClient(object):
@@ -54,12 +57,12 @@ class AlertPolicyServiceClient(object):
     Console <https://console.cloud.google.com/>`__.
     """
 
-    SERVICE_ADDRESS = 'monitoring.googleapis.com:443'
+    SERVICE_ADDRESS = "monitoring.googleapis.com:443"
     """The default address of the service."""
 
     # The name of the interface for this client. This is the key used to
     # find the method configuration in the client_config dictionary.
-    _INTERFACE_NAME = 'google.monitoring.v3.AlertPolicyService'
+    _INTERFACE_NAME = "google.monitoring.v3.AlertPolicyService"
 
     @classmethod
     def from_service_account_file(cls, filename, *args, **kwargs):
@@ -75,9 +78,8 @@ def from_service_account_file(cls, filename, *args, **kwargs):
         Returns:
             AlertPolicyServiceClient: The constructed client.
         """
-        credentials = service_account.Credentials.from_service_account_file(
-            filename)
-        kwargs['credentials'] = credentials
+        credentials = service_account.Credentials.from_service_account_file(filename)
+        kwargs["credentials"] = credentials
         return cls(*args, **kwargs)
 
     from_service_account_json = from_service_account_file
@@ -86,15 +88,14 @@ def from_service_account_file(cls, filename, *args, **kwargs):
     def project_path(cls, project):
         """Return a fully-qualified project string."""
         return google.api_core.path_template.expand(
-            'projects/{project}',
-            project=project,
+            "projects/{project}", project=project
         )
 
     @classmethod
     def alert_policy_path(cls, project, alert_policy):
         """Return a fully-qualified alert_policy string."""
         return google.api_core.path_template.expand(
-            'projects/{project}/alertPolicies/{alert_policy}',
+            "projects/{project}/alertPolicies/{alert_policy}",
             project=project,
             alert_policy=alert_policy,
         )
@@ -103,18 +104,20 @@ def alert_policy_path(cls, project, alert_policy):
     def alert_policy_condition_path(cls, project, alert_policy, condition):
         """Return a fully-qualified alert_policy_condition string."""
         return google.api_core.path_template.expand(
-            'projects/{project}/alertPolicies/{alert_policy}/conditions/{condition}',
+            "projects/{project}/alertPolicies/{alert_policy}/conditions/{condition}",
             project=project,
             alert_policy=alert_policy,
             condition=condition,
         )
 
-    def __init__(self,
-                 transport=None,
-                 channel=None,
-                 credentials=None,
-                 client_config=None,
-                 client_info=None):
+    def __init__(
+        self,
+        transport=None,
+        channel=None,
+        credentials=None,
+        client_config=None,
+        client_info=None,
+    ):
         """Constructor.
 
         Args:
@@ -148,18 +151,19 @@ def __init__(self,
         # Raise deprecation warnings for things we want to go away.
         if client_config is not None:
             warnings.warn(
-                'The `client_config` argument is deprecated.',
+                "The `client_config` argument is deprecated.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
         else:
             client_config = alert_policy_service_client_config.config
 
         if channel:
             warnings.warn(
-                'The `channel` argument is deprecated; use '
-                '`transport` instead.',
+                "The `channel` argument is deprecated; use " "`transport` instead.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
 
         # Instantiate the transport.
         # The transport is responsible for handling serialization and
@@ -168,25 +172,24 @@ def __init__(self,
             if callable(transport):
                 self.transport = transport(
                     credentials=credentials,
-                    default_class=alert_policy_service_grpc_transport.
-                    AlertPolicyServiceGrpcTransport,
+                    default_class=alert_policy_service_grpc_transport.AlertPolicyServiceGrpcTransport,
                 )
             else:
                 if credentials:
                     raise ValueError(
-                        'Received both a transport instance and '
-                        'credentials; these are mutually exclusive.')
+                        "Received both a transport instance and "
+                        "credentials; these are mutually exclusive."
+                    )
                 self.transport = transport
         else:
             self.transport = alert_policy_service_grpc_transport.AlertPolicyServiceGrpcTransport(
-                address=self.SERVICE_ADDRESS,
-                channel=channel,
-                credentials=credentials,
+                address=self.SERVICE_ADDRESS, channel=channel, credentials=credentials
             )
 
         if client_info is None:
             client_info = google.api_core.gapic_v1.client_info.ClientInfo(
-                gapic_version=_GAPIC_LIBRARY_VERSION, )
+                gapic_version=_GAPIC_LIBRARY_VERSION
+            )
         else:
             client_info.gapic_version = _GAPIC_LIBRARY_VERSION
         self._client_info = client_info
@@ -196,7 +199,8 @@ def __init__(self,
         # (Ordinarily, these are the defaults specified in the `*_config.py`
         # file next to this one.)
         self._method_configs = google.api_core.gapic_v1.config.parse_method_configs(
-            client_config['interfaces'][self._INTERFACE_NAME], )
+            client_config["interfaces"][self._INTERFACE_NAME]
+        )
 
         # Save a dictionary of cached API call functions.
         # These are the actual callables which invoke the proper
@@ -205,14 +209,16 @@ def __init__(self,
         self._inner_api_calls = {}
 
     # Service calls
-    def list_alert_policies(self,
-                            name,
-                            filter_=None,
-                            order_by=None,
-                            page_size=None,
-                            retry=google.api_core.gapic_v1.method.DEFAULT,
-                            timeout=google.api_core.gapic_v1.method.DEFAULT,
-                            metadata=None):
+    def list_alert_policies(
+        self,
+        name,
+        filter_=None,
+        order_by=None,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists the existing alerting policies for the project.
 
@@ -287,42 +293,41 @@ def list_alert_policies(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_alert_policies' not in self._inner_api_calls:
+        if "list_alert_policies" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_alert_policies'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_alert_policies,
-                    default_retry=self._method_configs['ListAlertPolicies'].
-                    retry,
-                    default_timeout=self._method_configs['ListAlertPolicies'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "list_alert_policies"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_alert_policies,
+                default_retry=self._method_configs["ListAlertPolicies"].retry,
+                default_timeout=self._method_configs["ListAlertPolicies"].timeout,
+                client_info=self._client_info,
+            )
 
         request = alert_service_pb2.ListAlertPoliciesRequest(
-            name=name,
-            filter=filter_,
-            order_by=order_by,
-            page_size=page_size,
+            name=name, filter=filter_, order_by=order_by, page_size=page_size
         )
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_alert_policies'],
+                self._inner_api_calls["list_alert_policies"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='alert_policies',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="alert_policies",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
 
-    def get_alert_policy(self,
-                         name,
-                         retry=google.api_core.gapic_v1.method.DEFAULT,
-                         timeout=google.api_core.gapic_v1.method.DEFAULT,
-                         metadata=None):
+    def get_alert_policy(
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Gets a single alerting policy.
 
@@ -362,26 +367,29 @@ def get_alert_policy(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'get_alert_policy' not in self._inner_api_calls:
+        if "get_alert_policy" not in self._inner_api_calls:
             self._inner_api_calls[
-                'get_alert_policy'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.get_alert_policy,
-                    default_retry=self._method_configs['GetAlertPolicy'].retry,
-                    default_timeout=self._method_configs['GetAlertPolicy'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "get_alert_policy"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.get_alert_policy,
+                default_retry=self._method_configs["GetAlertPolicy"].retry,
+                default_timeout=self._method_configs["GetAlertPolicy"].timeout,
+                client_info=self._client_info,
+            )
 
-        request = alert_service_pb2.GetAlertPolicyRequest(name=name, )
-        return self._inner_api_calls['get_alert_policy'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
+        request = alert_service_pb2.GetAlertPolicyRequest(name=name)
+        return self._inner_api_calls["get_alert_policy"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
-    def create_alert_policy(self,
-                            name,
-                            alert_policy,
-                            retry=google.api_core.gapic_v1.method.DEFAULT,
-                            timeout=google.api_core.gapic_v1.method.DEFAULT,
-                            metadata=None):
+    def create_alert_policy(
+        self,
+        name,
+        alert_policy,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Creates a new alerting policy.
 
@@ -435,29 +443,30 @@ def create_alert_policy(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'create_alert_policy' not in self._inner_api_calls:
+        if "create_alert_policy" not in self._inner_api_calls:
             self._inner_api_calls[
-                'create_alert_policy'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.create_alert_policy,
-                    default_retry=self._method_configs['CreateAlertPolicy'].
-                    retry,
-                    default_timeout=self._method_configs['CreateAlertPolicy'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "create_alert_policy"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.create_alert_policy,
+                default_retry=self._method_configs["CreateAlertPolicy"].retry,
+                default_timeout=self._method_configs["CreateAlertPolicy"].timeout,
+                client_info=self._client_info,
+            )
 
         request = alert_service_pb2.CreateAlertPolicyRequest(
-            name=name,
-            alert_policy=alert_policy,
+            name=name, alert_policy=alert_policy
+        )
+        return self._inner_api_calls["create_alert_policy"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['create_alert_policy'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
-
-    def delete_alert_policy(self,
-                            name,
-                            retry=google.api_core.gapic_v1.method.DEFAULT,
-                            timeout=google.api_core.gapic_v1.method.DEFAULT,
-                            metadata=None):
+
+    def delete_alert_policy(
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Deletes an alerting policy.
 
@@ -496,27 +505,29 @@ def delete_alert_policy(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'delete_alert_policy' not in self._inner_api_calls:
+        if "delete_alert_policy" not in self._inner_api_calls:
             self._inner_api_calls[
-                'delete_alert_policy'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.delete_alert_policy,
-                    default_retry=self._method_configs['DeleteAlertPolicy'].
-                    retry,
-                    default_timeout=self._method_configs['DeleteAlertPolicy'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "delete_alert_policy"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.delete_alert_policy,
+                default_retry=self._method_configs["DeleteAlertPolicy"].retry,
+                default_timeout=self._method_configs["DeleteAlertPolicy"].timeout,
+                client_info=self._client_info,
+            )
 
-        request = alert_service_pb2.DeleteAlertPolicyRequest(name=name, )
-        self._inner_api_calls['delete_alert_policy'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
+        request = alert_service_pb2.DeleteAlertPolicyRequest(name=name)
+        self._inner_api_calls["delete_alert_policy"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
-    def update_alert_policy(self,
-                            alert_policy,
-                            update_mask=None,
-                            retry=google.api_core.gapic_v1.method.DEFAULT,
-                            timeout=google.api_core.gapic_v1.method.DEFAULT,
-                            metadata=None):
+    def update_alert_policy(
+        self,
+        alert_policy,
+        update_mask=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Updates an alerting policy. You can either replace the entire policy
         with a new one or replace only certain fields in the current alerting
@@ -589,20 +600,19 @@ def update_alert_policy(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'update_alert_policy' not in self._inner_api_calls:
+        if "update_alert_policy" not in self._inner_api_calls:
             self._inner_api_calls[
-                'update_alert_policy'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.update_alert_policy,
-                    default_retry=self._method_configs['UpdateAlertPolicy'].
-                    retry,
-                    default_timeout=self._method_configs['UpdateAlertPolicy'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "update_alert_policy"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.update_alert_policy,
+                default_retry=self._method_configs["UpdateAlertPolicy"].retry,
+                default_timeout=self._method_configs["UpdateAlertPolicy"].timeout,
+                client_info=self._client_info,
+            )
 
         request = alert_service_pb2.UpdateAlertPolicyRequest(
-            alert_policy=alert_policy,
-            update_mask=update_mask,
+            alert_policy=alert_policy, update_mask=update_mask
+        )
+        return self._inner_api_calls["update_alert_policy"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['update_alert_policy'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/alert_policy_service_client_config.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/alert_policy_service_client_config.py
index b1c085b57d11..279c75403897 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/alert_policy_service_client_config.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/alert_policy_service_client_config.py
@@ -3,7 +3,7 @@
         "google.monitoring.v3.AlertPolicyService": {
             "retry_codes": {
                 "idempotent": ["DEADLINE_EXCEEDED", "UNAVAILABLE"],
-                "non_idempotent": []
+                "non_idempotent": [],
             },
             "retry_params": {
                 "default": {
@@ -13,36 +13,36 @@
                     "initial_rpc_timeout_millis": 20000,
                     "rpc_timeout_multiplier": 1.0,
                     "max_rpc_timeout_millis": 20000,
-                    "total_timeout_millis": 600000
+                    "total_timeout_millis": 600000,
                 }
             },
             "methods": {
                 "ListAlertPolicies": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "GetAlertPolicy": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "CreateAlertPolicy": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "DeleteAlertPolicy": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "UpdateAlertPolicy": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
-                }
-            }
+                    "retry_params_name": "default",
+                },
+            },
         }
     }
 }
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/enums.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/enums.py
index 12cbc1bca7b6..bd6539d2ecd4 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/enums.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/enums.py
@@ -28,6 +28,7 @@ class NullValue(enum.IntEnum):
     Attributes:
       NULL_VALUE (int): Null value.
     """
+
     NULL_VALUE = 0
 
 
@@ -45,6 +46,7 @@ class ComparisonType(enum.IntEnum):
       COMPARISON_EQ (int): The left argument is equal to the right argument.
       COMPARISON_NE (int): The left argument is not equal to the right argument.
     """
+
     COMPARISON_UNSPECIFIED = 0
     COMPARISON_GT = 1
     COMPARISON_GE = 2
@@ -74,6 +76,7 @@ class ServiceTier(enum.IntEnum):
       metrics. For more details, see `the service tiers
       documentation <https://cloud.google.com/monitoring/workspaces/tiers>`__.
     """
+
     SERVICE_TIER_UNSPECIFIED = 0
     SERVICE_TIER_BASIC = 1
     SERVICE_TIER_PREMIUM = 2
@@ -113,6 +116,7 @@ class LaunchStage(enum.IntEnum):
       Platform Subject to the Deprecation
       Policy <https://cloud.google.com/terms/deprecation>`__ documentation.
     """
+
     LAUNCH_STAGE_UNSPECIFIED = 0
     EARLY_ACCESS = 1
     ALPHA = 2
@@ -135,6 +139,7 @@ class UptimeCheckRegion(enum.IntEnum):
       ASIA_PACIFIC (int): Allows checks to run from locations within the Asia Pacific area (ex:
       Singapore).
     """
+
     REGION_UNSPECIFIED = 0
     USA = 1
     EUROPE = 2
@@ -156,6 +161,7 @@ class GroupResourceType(enum.IntEnum):
       Amazon Web Services (AWS).
       AWS_ELB_LOAD_BALANCER (int): A group of Amazon ELB load balancers.
     """
+
     RESOURCE_TYPE_UNSPECIFIED = 0
     INSTANCE = 1
     AWS_ELB_LOAD_BALANCER = 2
@@ -171,6 +177,7 @@ class ValueType(enum.IntEnum):
           BOOL (int): Boolean; true or false.
           INT64 (int): A 64-bit signed integer.
         """
+
         STRING = 0
         BOOL = 1
         INT64 = 2
@@ -284,6 +291,7 @@ class Aligner(enum.IntEnum):
           taken that the values for the metric will always be positive. The output
           is a gauge metric with value type ``DOUBLE``.
         """
+
         ALIGN_NONE = 0
         ALIGN_DELTA = 1
         ALIGN_RATE = 2
@@ -363,6 +371,7 @@ class Reducer(enum.IntEnum):
           each alignment period. This reducer is valid for gauge and delta metrics
           of numeric and distribution type. The value of the output is ``DOUBLE``
         """
+
         REDUCE_NONE = 0
         REDUCE_MEAN = 1
         REDUCE_MIN = 2
@@ -394,6 +403,7 @@ class MetricKind(enum.IntEnum):
           value to zero and sets a new start time for the following
           points.
         """
+
         METRIC_KIND_UNSPECIFIED = 0
         GAUGE = 1
         DELTA = 2
@@ -414,6 +424,7 @@ class ValueType(enum.IntEnum):
           DISTRIBUTION (int): The value is a ``Distribution``.
           MONEY (int): The value is money.
         """
+
         VALUE_TYPE_UNSPECIFIED = 0
         BOOL = 1
         INT64 = 2
@@ -440,6 +451,7 @@ class ConditionCombinerType(enum.IntEnum):
           regular ``AND`` option, an incident is created only if all conditions
           are met simultaneously on at least one resource.
         """
+
         COMBINE_UNSPECIFIED = 0
         AND = 1
         OR = 2
@@ -465,6 +477,7 @@ class VerificationStatus(enum.IntEnum):
           notification channel and that someone on the project has access
           to messages that are delivered to that channel.
         """
+
         VERIFICATION_STATUS_UNSPECIFIED = 0
         UNVERIFIED = 1
         VERIFIED = 2
@@ -481,5 +494,6 @@ class TimeSeriesView(enum.IntEnum):
           HEADERS (int): Returns the identity of the metric and the time series resource,
           but not the time series data.
         """
+
         FULL = 0
         HEADERS = 1
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/group_service_client.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/group_service_client.py
index 78fafb0564a4..8a28b7b7dc32 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/group_service_client.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/group_service_client.py
@@ -43,7 +43,8 @@
 from google.protobuf import field_mask_pb2
 
 _GAPIC_LIBRARY_VERSION = pkg_resources.get_distribution(
-    'google-cloud-monitoring', ).version
+    "google-cloud-monitoring"
+).version
 
 
 class GroupServiceClient(object):
@@ -61,12 +62,12 @@ class GroupServiceClient(object):
     and removed from the infrastructure.
     """
 
-    SERVICE_ADDRESS = 'monitoring.googleapis.com:443'
+    SERVICE_ADDRESS = "monitoring.googleapis.com:443"
     """The default address of the service."""
 
     # The name of the interface for this client. This is the key used to
     # find the method configuration in the client_config dictionary.
-    _INTERFACE_NAME = 'google.monitoring.v3.GroupService'
+    _INTERFACE_NAME = "google.monitoring.v3.GroupService"
 
     @classmethod
     def from_service_account_file(cls, filename, *args, **kwargs):
@@ -82,9 +83,8 @@ def from_service_account_file(cls, filename, *args, **kwargs):
         Returns:
             GroupServiceClient: The constructed client.
         """
-        credentials = service_account.Credentials.from_service_account_file(
-            filename)
-        kwargs['credentials'] = credentials
+        credentials = service_account.Credentials.from_service_account_file(filename)
+        kwargs["credentials"] = credentials
         return cls(*args, **kwargs)
 
     from_service_account_json = from_service_account_file
@@ -93,25 +93,24 @@ def from_service_account_file(cls, filename, *args, **kwargs):
     def project_path(cls, project):
         """Return a fully-qualified project string."""
         return google.api_core.path_template.expand(
-            'projects/{project}',
-            project=project,
+            "projects/{project}", project=project
         )
 
     @classmethod
     def group_path(cls, project, group):
         """Return a fully-qualified group string."""
         return google.api_core.path_template.expand(
-            'projects/{project}/groups/{group}',
-            project=project,
-            group=group,
+            "projects/{project}/groups/{group}", project=project, group=group
         )
 
-    def __init__(self,
-                 transport=None,
-                 channel=None,
-                 credentials=None,
-                 client_config=None,
-                 client_info=None):
+    def __init__(
+        self,
+        transport=None,
+        channel=None,
+        credentials=None,
+        client_config=None,
+        client_info=None,
+    ):
         """Constructor.
 
         Args:
@@ -145,18 +144,19 @@ def __init__(self,
         # Raise deprecation warnings for things we want to go away.
         if client_config is not None:
             warnings.warn(
-                'The `client_config` argument is deprecated.',
+                "The `client_config` argument is deprecated.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
         else:
             client_config = group_service_client_config.config
 
         if channel:
             warnings.warn(
-                'The `channel` argument is deprecated; use '
-                '`transport` instead.',
+                "The `channel` argument is deprecated; use " "`transport` instead.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
 
         # Instantiate the transport.
         # The transport is responsible for handling serialization and
@@ -165,25 +165,24 @@ def __init__(self,
             if callable(transport):
                 self.transport = transport(
                     credentials=credentials,
-                    default_class=group_service_grpc_transport.
-                    GroupServiceGrpcTransport,
+                    default_class=group_service_grpc_transport.GroupServiceGrpcTransport,
                 )
             else:
                 if credentials:
                     raise ValueError(
-                        'Received both a transport instance and '
-                        'credentials; these are mutually exclusive.')
+                        "Received both a transport instance and "
+                        "credentials; these are mutually exclusive."
+                    )
                 self.transport = transport
         else:
             self.transport = group_service_grpc_transport.GroupServiceGrpcTransport(
-                address=self.SERVICE_ADDRESS,
-                channel=channel,
-                credentials=credentials,
+                address=self.SERVICE_ADDRESS, channel=channel, credentials=credentials
             )
 
         if client_info is None:
             client_info = google.api_core.gapic_v1.client_info.ClientInfo(
-                gapic_version=_GAPIC_LIBRARY_VERSION, )
+                gapic_version=_GAPIC_LIBRARY_VERSION
+            )
         else:
             client_info.gapic_version = _GAPIC_LIBRARY_VERSION
         self._client_info = client_info
@@ -193,7 +192,8 @@ def __init__(self,
         # (Ordinarily, these are the defaults specified in the `*_config.py`
         # file next to this one.)
         self._method_configs = google.api_core.gapic_v1.config.parse_method_configs(
-            client_config['interfaces'][self._INTERFACE_NAME], )
+            client_config["interfaces"][self._INTERFACE_NAME]
+        )
 
         # Save a dictionary of cached API call functions.
         # These are the actual callables which invoke the proper
@@ -202,15 +202,17 @@ def __init__(self,
         self._inner_api_calls = {}
 
     # Service calls
-    def list_groups(self,
-                    name,
-                    children_of_group=None,
-                    ancestors_of_group=None,
-                    descendants_of_group=None,
-                    page_size=None,
-                    retry=google.api_core.gapic_v1.method.DEFAULT,
-                    timeout=google.api_core.gapic_v1.method.DEFAULT,
-                    metadata=None):
+    def list_groups(
+        self,
+        name,
+        children_of_group=None,
+        ancestors_of_group=None,
+        descendants_of_group=None,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists the existing groups.
 
@@ -281,14 +283,15 @@ def list_groups(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_groups' not in self._inner_api_calls:
+        if "list_groups" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_groups'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_groups,
-                    default_retry=self._method_configs['ListGroups'].retry,
-                    default_timeout=self._method_configs['ListGroups'].timeout,
-                    client_info=self._client_info,
-                )
+                "list_groups"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_groups,
+                default_retry=self._method_configs["ListGroups"].retry,
+                default_timeout=self._method_configs["ListGroups"].timeout,
+                client_info=self._client_info,
+            )
 
         # Sanity check: We have some fields which are mutually exclusive;
         # raise ValueError if more than one is sent.
@@ -308,22 +311,25 @@ def list_groups(self,
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_groups'],
+                self._inner_api_calls["list_groups"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='group',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="group",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
 
-    def get_group(self,
-                  name,
-                  retry=google.api_core.gapic_v1.method.DEFAULT,
-                  timeout=google.api_core.gapic_v1.method.DEFAULT,
-                  metadata=None):
+    def get_group(
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Gets a single group.
 
@@ -362,26 +368,30 @@ def get_group(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'get_group' not in self._inner_api_calls:
+        if "get_group" not in self._inner_api_calls:
             self._inner_api_calls[
-                'get_group'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.get_group,
-                    default_retry=self._method_configs['GetGroup'].retry,
-                    default_timeout=self._method_configs['GetGroup'].timeout,
-                    client_info=self._client_info,
-                )
+                "get_group"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.get_group,
+                default_retry=self._method_configs["GetGroup"].retry,
+                default_timeout=self._method_configs["GetGroup"].timeout,
+                client_info=self._client_info,
+            )
+
+        request = group_service_pb2.GetGroupRequest(name=name)
+        return self._inner_api_calls["get_group"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
-        request = group_service_pb2.GetGroupRequest(name=name, )
-        return self._inner_api_calls['get_group'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
-
-    def create_group(self,
-                     name,
-                     group,
-                     validate_only=None,
-                     retry=google.api_core.gapic_v1.method.DEFAULT,
-                     timeout=google.api_core.gapic_v1.method.DEFAULT,
-                     metadata=None):
+    def create_group(
+        self,
+        name,
+        group,
+        validate_only=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Creates a new group.
 
@@ -429,30 +439,31 @@ def create_group(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'create_group' not in self._inner_api_calls:
+        if "create_group" not in self._inner_api_calls:
             self._inner_api_calls[
-                'create_group'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.create_group,
-                    default_retry=self._method_configs['CreateGroup'].retry,
-                    default_timeout=self._method_configs['CreateGroup'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "create_group"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.create_group,
+                default_retry=self._method_configs["CreateGroup"].retry,
+                default_timeout=self._method_configs["CreateGroup"].timeout,
+                client_info=self._client_info,
+            )
 
         request = group_service_pb2.CreateGroupRequest(
-            name=name,
-            group=group,
-            validate_only=validate_only,
+            name=name, group=group, validate_only=validate_only
+        )
+        return self._inner_api_calls["create_group"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['create_group'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
-
-    def update_group(self,
-                     group,
-                     validate_only=None,
-                     retry=google.api_core.gapic_v1.method.DEFAULT,
-                     timeout=google.api_core.gapic_v1.method.DEFAULT,
-                     metadata=None):
+
+    def update_group(
+        self,
+        group,
+        validate_only=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Updates an existing group. You can change any group attributes except
         ``name``.
@@ -498,28 +509,30 @@ def update_group(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'update_group' not in self._inner_api_calls:
+        if "update_group" not in self._inner_api_calls:
             self._inner_api_calls[
-                'update_group'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.update_group,
-                    default_retry=self._method_configs['UpdateGroup'].retry,
-                    default_timeout=self._method_configs['UpdateGroup'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "update_group"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.update_group,
+                default_retry=self._method_configs["UpdateGroup"].retry,
+                default_timeout=self._method_configs["UpdateGroup"].timeout,
+                client_info=self._client_info,
+            )
 
         request = group_service_pb2.UpdateGroupRequest(
-            group=group,
-            validate_only=validate_only,
+            group=group, validate_only=validate_only
+        )
+        return self._inner_api_calls["update_group"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['update_group'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
-
-    def delete_group(self,
-                     name,
-                     retry=google.api_core.gapic_v1.method.DEFAULT,
-                     timeout=google.api_core.gapic_v1.method.DEFAULT,
-                     metadata=None):
+
+    def delete_group(
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Deletes an existing group.
 
@@ -555,28 +568,31 @@ def delete_group(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'delete_group' not in self._inner_api_calls:
+        if "delete_group" not in self._inner_api_calls:
             self._inner_api_calls[
-                'delete_group'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.delete_group,
-                    default_retry=self._method_configs['DeleteGroup'].retry,
-                    default_timeout=self._method_configs['DeleteGroup'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "delete_group"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.delete_group,
+                default_retry=self._method_configs["DeleteGroup"].retry,
+                default_timeout=self._method_configs["DeleteGroup"].timeout,
+                client_info=self._client_info,
+            )
 
-        request = group_service_pb2.DeleteGroupRequest(name=name, )
-        self._inner_api_calls['delete_group'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
-
-    def list_group_members(self,
-                           name,
-                           page_size=None,
-                           filter_=None,
-                           interval=None,
-                           retry=google.api_core.gapic_v1.method.DEFAULT,
-                           timeout=google.api_core.gapic_v1.method.DEFAULT,
-                           metadata=None):
+        request = group_service_pb2.DeleteGroupRequest(name=name)
+        self._inner_api_calls["delete_group"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
+
+    def list_group_members(
+        self,
+        name,
+        page_size=None,
+        filter_=None,
+        interval=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists the monitored resources that are members of a group.
 
@@ -652,33 +668,30 @@ def list_group_members(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_group_members' not in self._inner_api_calls:
+        if "list_group_members" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_group_members'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_group_members,
-                    default_retry=self._method_configs['ListGroupMembers'].
-                    retry,
-                    default_timeout=self._method_configs['ListGroupMembers'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "list_group_members"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_group_members,
+                default_retry=self._method_configs["ListGroupMembers"].retry,
+                default_timeout=self._method_configs["ListGroupMembers"].timeout,
+                client_info=self._client_info,
+            )
 
         request = group_service_pb2.ListGroupMembersRequest(
-            name=name,
-            page_size=page_size,
-            filter=filter_,
-            interval=interval,
+            name=name, page_size=page_size, filter=filter_, interval=interval
         )
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_group_members'],
+                self._inner_api_calls["list_group_members"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='members',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="members",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/group_service_client_config.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/group_service_client_config.py
index 72f991f41f9d..24157aaacd5d 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/group_service_client_config.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/group_service_client_config.py
@@ -3,7 +3,7 @@
         "google.monitoring.v3.GroupService": {
             "retry_codes": {
                 "idempotent": ["DEADLINE_EXCEEDED", "UNAVAILABLE"],
-                "non_idempotent": []
+                "non_idempotent": [],
             },
             "retry_params": {
                 "default": {
@@ -13,41 +13,41 @@
                     "initial_rpc_timeout_millis": 20000,
                     "rpc_timeout_multiplier": 1.0,
                     "max_rpc_timeout_millis": 20000,
-                    "total_timeout_millis": 600000
+                    "total_timeout_millis": 600000,
                 }
             },
             "methods": {
                 "ListGroups": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "GetGroup": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "CreateGroup": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "UpdateGroup": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "DeleteGroup": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "ListGroupMembers": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
-                }
-            }
+                    "retry_params_name": "default",
+                },
+            },
         }
     }
 }
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/metric_service_client.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/metric_service_client.py
index e1d5f598317c..d1e3d884e83f 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/metric_service_client.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/metric_service_client.py
@@ -47,7 +47,8 @@
 from google.protobuf import field_mask_pb2
 
 _GAPIC_LIBRARY_VERSION = pkg_resources.get_distribution(
-    'google-cloud-monitoring', ).version
+    "google-cloud-monitoring"
+).version
 
 
 class MetricServiceClient(object):
@@ -56,12 +57,12 @@ class MetricServiceClient(object):
     time series data.
     """
 
-    SERVICE_ADDRESS = 'monitoring.googleapis.com:443'
+    SERVICE_ADDRESS = "monitoring.googleapis.com:443"
     """The default address of the service."""
 
     # The name of the interface for this client. This is the key used to
     # find the method configuration in the client_config dictionary.
-    _INTERFACE_NAME = 'google.monitoring.v3.MetricService'
+    _INTERFACE_NAME = "google.monitoring.v3.MetricService"
 
     @classmethod
     def from_service_account_file(cls, filename, *args, **kwargs):
@@ -77,9 +78,8 @@ def from_service_account_file(cls, filename, *args, **kwargs):
         Returns:
             MetricServiceClient: The constructed client.
         """
-        credentials = service_account.Credentials.from_service_account_file(
-            filename)
-        kwargs['credentials'] = credentials
+        credentials = service_account.Credentials.from_service_account_file(filename)
+        kwargs["credentials"] = credentials
         return cls(*args, **kwargs)
 
     from_service_account_json = from_service_account_file
@@ -88,35 +88,35 @@ def from_service_account_file(cls, filename, *args, **kwargs):
     def project_path(cls, project):
         """Return a fully-qualified project string."""
         return google.api_core.path_template.expand(
-            'projects/{project}',
-            project=project,
+            "projects/{project}", project=project
         )
 
     @classmethod
     def metric_descriptor_path(cls, project, metric_descriptor):
         """Return a fully-qualified metric_descriptor string."""
         return google.api_core.path_template.expand(
-            'projects/{project}/metricDescriptors/{metric_descriptor=**}',
+            "projects/{project}/metricDescriptors/{metric_descriptor=**}",
             project=project,
             metric_descriptor=metric_descriptor,
         )
 
     @classmethod
-    def monitored_resource_descriptor_path(cls, project,
-                                           monitored_resource_descriptor):
+    def monitored_resource_descriptor_path(cls, project, monitored_resource_descriptor):
         """Return a fully-qualified monitored_resource_descriptor string."""
         return google.api_core.path_template.expand(
-            'projects/{project}/monitoredResourceDescriptors/{monitored_resource_descriptor}',
+            "projects/{project}/monitoredResourceDescriptors/{monitored_resource_descriptor}",
             project=project,
             monitored_resource_descriptor=monitored_resource_descriptor,
         )
 
-    def __init__(self,
-                 transport=None,
-                 channel=None,
-                 credentials=None,
-                 client_config=None,
-                 client_info=None):
+    def __init__(
+        self,
+        transport=None,
+        channel=None,
+        credentials=None,
+        client_config=None,
+        client_info=None,
+    ):
         """Constructor.
 
         Args:
@@ -150,18 +150,19 @@ def __init__(self,
         # Raise deprecation warnings for things we want to go away.
         if client_config is not None:
             warnings.warn(
-                'The `client_config` argument is deprecated.',
+                "The `client_config` argument is deprecated.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
         else:
             client_config = metric_service_client_config.config
 
         if channel:
             warnings.warn(
-                'The `channel` argument is deprecated; use '
-                '`transport` instead.',
+                "The `channel` argument is deprecated; use " "`transport` instead.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
 
         # Instantiate the transport.
         # The transport is responsible for handling serialization and
@@ -170,25 +171,24 @@ def __init__(self,
             if callable(transport):
                 self.transport = transport(
                     credentials=credentials,
-                    default_class=metric_service_grpc_transport.
-                    MetricServiceGrpcTransport,
+                    default_class=metric_service_grpc_transport.MetricServiceGrpcTransport,
                 )
             else:
                 if credentials:
                     raise ValueError(
-                        'Received both a transport instance and '
-                        'credentials; these are mutually exclusive.')
+                        "Received both a transport instance and "
+                        "credentials; these are mutually exclusive."
+                    )
                 self.transport = transport
         else:
             self.transport = metric_service_grpc_transport.MetricServiceGrpcTransport(
-                address=self.SERVICE_ADDRESS,
-                channel=channel,
-                credentials=credentials,
+                address=self.SERVICE_ADDRESS, channel=channel, credentials=credentials
             )
 
         if client_info is None:
             client_info = google.api_core.gapic_v1.client_info.ClientInfo(
-                gapic_version=_GAPIC_LIBRARY_VERSION, )
+                gapic_version=_GAPIC_LIBRARY_VERSION
+            )
         else:
             client_info.gapic_version = _GAPIC_LIBRARY_VERSION
         self._client_info = client_info
@@ -198,7 +198,8 @@ def __init__(self,
         # (Ordinarily, these are the defaults specified in the `*_config.py`
         # file next to this one.)
         self._method_configs = google.api_core.gapic_v1.config.parse_method_configs(
-            client_config['interfaces'][self._INTERFACE_NAME], )
+            client_config["interfaces"][self._INTERFACE_NAME]
+        )
 
         # Save a dictionary of cached API call functions.
         # These are the actual callables which invoke the proper
@@ -208,13 +209,14 @@ def __init__(self,
 
     # Service calls
     def list_monitored_resource_descriptors(
-            self,
-            name,
-            filter_=None,
-            page_size=None,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        filter_=None,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists monitored resource descriptors that match a filter. This method does not require a Stackdriver account.
 
@@ -282,42 +284,45 @@ def list_monitored_resource_descriptors(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_monitored_resource_descriptors' not in self._inner_api_calls:
+        if "list_monitored_resource_descriptors" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_monitored_resource_descriptors'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_monitored_resource_descriptors,
-                    default_retry=self.
-                    _method_configs['ListMonitoredResourceDescriptors'].retry,
-                    default_timeout=self._method_configs[
-                        'ListMonitoredResourceDescriptors'].timeout,
-                    client_info=self._client_info,
-                )
+                "list_monitored_resource_descriptors"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_monitored_resource_descriptors,
+                default_retry=self._method_configs[
+                    "ListMonitoredResourceDescriptors"
+                ].retry,
+                default_timeout=self._method_configs[
+                    "ListMonitoredResourceDescriptors"
+                ].timeout,
+                client_info=self._client_info,
+            )
 
         request = metric_service_pb2.ListMonitoredResourceDescriptorsRequest(
-            name=name,
-            filter=filter_,
-            page_size=page_size,
+            name=name, filter=filter_, page_size=page_size
         )
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_monitored_resource_descriptors'],
+                self._inner_api_calls["list_monitored_resource_descriptors"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='resource_descriptors',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="resource_descriptors",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
 
     def get_monitored_resource_descriptor(
-            self,
-            name,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Gets a single monitored resource descriptor. This method does not require a Stackdriver account.
 
@@ -358,30 +363,34 @@ def get_monitored_resource_descriptor(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'get_monitored_resource_descriptor' not in self._inner_api_calls:
+        if "get_monitored_resource_descriptor" not in self._inner_api_calls:
             self._inner_api_calls[
-                'get_monitored_resource_descriptor'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.get_monitored_resource_descriptor,
-                    default_retry=self.
-                    _method_configs['GetMonitoredResourceDescriptor'].retry,
-                    default_timeout=self.
-                    _method_configs['GetMonitoredResourceDescriptor'].timeout,
-                    client_info=self._client_info,
-                )
+                "get_monitored_resource_descriptor"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.get_monitored_resource_descriptor,
+                default_retry=self._method_configs[
+                    "GetMonitoredResourceDescriptor"
+                ].retry,
+                default_timeout=self._method_configs[
+                    "GetMonitoredResourceDescriptor"
+                ].timeout,
+                client_info=self._client_info,
+            )
 
-        request = metric_service_pb2.GetMonitoredResourceDescriptorRequest(
-            name=name, )
-        return self._inner_api_calls['get_monitored_resource_descriptor'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
+        request = metric_service_pb2.GetMonitoredResourceDescriptorRequest(name=name)
+        return self._inner_api_calls["get_monitored_resource_descriptor"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
     def list_metric_descriptors(
-            self,
-            name,
-            filter_=None,
-            page_size=None,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        filter_=None,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists metric descriptors that match a filter. This method does not require a Stackdriver account.
 
@@ -450,41 +459,41 @@ def list_metric_descriptors(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_metric_descriptors' not in self._inner_api_calls:
+        if "list_metric_descriptors" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_metric_descriptors'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_metric_descriptors,
-                    default_retry=self.
-                    _method_configs['ListMetricDescriptors'].retry,
-                    default_timeout=self.
-                    _method_configs['ListMetricDescriptors'].timeout,
-                    client_info=self._client_info,
-                )
+                "list_metric_descriptors"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_metric_descriptors,
+                default_retry=self._method_configs["ListMetricDescriptors"].retry,
+                default_timeout=self._method_configs["ListMetricDescriptors"].timeout,
+                client_info=self._client_info,
+            )
 
         request = metric_service_pb2.ListMetricDescriptorsRequest(
-            name=name,
-            filter=filter_,
-            page_size=page_size,
+            name=name, filter=filter_, page_size=page_size
         )
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_metric_descriptors'],
+                self._inner_api_calls["list_metric_descriptors"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='metric_descriptors',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="metric_descriptors",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
 
-    def get_metric_descriptor(self,
-                              name,
-                              retry=google.api_core.gapic_v1.method.DEFAULT,
-                              timeout=google.api_core.gapic_v1.method.DEFAULT,
-                              metadata=None):
+    def get_metric_descriptor(
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Gets a single metric descriptor. This method does not require a Stackdriver account.
 
@@ -525,28 +534,29 @@ def get_metric_descriptor(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'get_metric_descriptor' not in self._inner_api_calls:
+        if "get_metric_descriptor" not in self._inner_api_calls:
             self._inner_api_calls[
-                'get_metric_descriptor'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.get_metric_descriptor,
-                    default_retry=self._method_configs['GetMetricDescriptor'].
-                    retry,
-                    default_timeout=self.
-                    _method_configs['GetMetricDescriptor'].timeout,
-                    client_info=self._client_info,
-                )
+                "get_metric_descriptor"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.get_metric_descriptor,
+                default_retry=self._method_configs["GetMetricDescriptor"].retry,
+                default_timeout=self._method_configs["GetMetricDescriptor"].timeout,
+                client_info=self._client_info,
+            )
 
-        request = metric_service_pb2.GetMetricDescriptorRequest(name=name, )
-        return self._inner_api_calls['get_metric_descriptor'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
+        request = metric_service_pb2.GetMetricDescriptorRequest(name=name)
+        return self._inner_api_calls["get_metric_descriptor"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
     def create_metric_descriptor(
-            self,
-            name,
-            metric_descriptor,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        metric_descriptor,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Creates a new metric descriptor. User-created metric descriptors define
         `custom metrics <https://cloud.google.com/monitoring/custom-metrics>`__.
@@ -595,30 +605,30 @@ def create_metric_descriptor(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'create_metric_descriptor' not in self._inner_api_calls:
+        if "create_metric_descriptor" not in self._inner_api_calls:
             self._inner_api_calls[
-                'create_metric_descriptor'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.create_metric_descriptor,
-                    default_retry=self.
-                    _method_configs['CreateMetricDescriptor'].retry,
-                    default_timeout=self.
-                    _method_configs['CreateMetricDescriptor'].timeout,
-                    client_info=self._client_info,
-                )
+                "create_metric_descriptor"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.create_metric_descriptor,
+                default_retry=self._method_configs["CreateMetricDescriptor"].retry,
+                default_timeout=self._method_configs["CreateMetricDescriptor"].timeout,
+                client_info=self._client_info,
+            )
 
         request = metric_service_pb2.CreateMetricDescriptorRequest(
-            name=name,
-            metric_descriptor=metric_descriptor,
+            name=name, metric_descriptor=metric_descriptor
+        )
+        return self._inner_api_calls["create_metric_descriptor"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['create_metric_descriptor'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
 
     def delete_metric_descriptor(
-            self,
-            name,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Deletes a metric descriptor. Only user-created `custom
         metrics <https://cloud.google.com/monitoring/custom-metrics>`__ can be
@@ -658,32 +668,34 @@ def delete_metric_descriptor(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'delete_metric_descriptor' not in self._inner_api_calls:
+        if "delete_metric_descriptor" not in self._inner_api_calls:
             self._inner_api_calls[
-                'delete_metric_descriptor'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.delete_metric_descriptor,
-                    default_retry=self.
-                    _method_configs['DeleteMetricDescriptor'].retry,
-                    default_timeout=self.
-                    _method_configs['DeleteMetricDescriptor'].timeout,
-                    client_info=self._client_info,
-                )
+                "delete_metric_descriptor"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.delete_metric_descriptor,
+                default_retry=self._method_configs["DeleteMetricDescriptor"].retry,
+                default_timeout=self._method_configs["DeleteMetricDescriptor"].timeout,
+                client_info=self._client_info,
+            )
+
+        request = metric_service_pb2.DeleteMetricDescriptorRequest(name=name)
+        self._inner_api_calls["delete_metric_descriptor"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
-        request = metric_service_pb2.DeleteMetricDescriptorRequest(name=name, )
-        self._inner_api_calls['delete_metric_descriptor'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
-
-    def list_time_series(self,
-                         name,
-                         filter_,
-                         interval,
-                         view,
-                         aggregation=None,
-                         order_by=None,
-                         page_size=None,
-                         retry=google.api_core.gapic_v1.method.DEFAULT,
-                         timeout=google.api_core.gapic_v1.method.DEFAULT,
-                         metadata=None):
+    def list_time_series(
+        self,
+        name,
+        filter_,
+        interval,
+        view,
+        aggregation=None,
+        order_by=None,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists time series that match a filter. This method does not require a Stackdriver account.
 
@@ -777,15 +789,15 @@ def list_time_series(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_time_series' not in self._inner_api_calls:
+        if "list_time_series" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_time_series'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_time_series,
-                    default_retry=self._method_configs['ListTimeSeries'].retry,
-                    default_timeout=self._method_configs['ListTimeSeries'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "list_time_series"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_time_series,
+                default_retry=self._method_configs["ListTimeSeries"].retry,
+                default_timeout=self._method_configs["ListTimeSeries"].timeout,
+                client_info=self._client_info,
+            )
 
         request = metric_service_pb2.ListTimeSeriesRequest(
             name=name,
@@ -799,23 +811,26 @@ def list_time_series(self,
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_time_series'],
+                self._inner_api_calls["list_time_series"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='time_series',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="time_series",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
 
-    def create_time_series(self,
-                           name,
-                           time_series,
-                           retry=google.api_core.gapic_v1.method.DEFAULT,
-                           timeout=google.api_core.gapic_v1.method.DEFAULT,
-                           metadata=None):
+    def create_time_series(
+        self,
+        name,
+        time_series,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Creates or adds data to one or more time series.
         The response is empty if all time series in the request were written.
@@ -865,20 +880,19 @@ def create_time_series(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'create_time_series' not in self._inner_api_calls:
+        if "create_time_series" not in self._inner_api_calls:
             self._inner_api_calls[
-                'create_time_series'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.create_time_series,
-                    default_retry=self._method_configs['CreateTimeSeries'].
-                    retry,
-                    default_timeout=self._method_configs['CreateTimeSeries'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "create_time_series"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.create_time_series,
+                default_retry=self._method_configs["CreateTimeSeries"].retry,
+                default_timeout=self._method_configs["CreateTimeSeries"].timeout,
+                client_info=self._client_info,
+            )
 
         request = metric_service_pb2.CreateTimeSeriesRequest(
-            name=name,
-            time_series=time_series,
+            name=name, time_series=time_series
+        )
+        self._inner_api_calls["create_time_series"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        self._inner_api_calls['create_time_series'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/metric_service_client_config.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/metric_service_client_config.py
index ad1c5ec4e5d9..56ae49b29428 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/metric_service_client_config.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/metric_service_client_config.py
@@ -3,7 +3,7 @@
         "google.monitoring.v3.MetricService": {
             "retry_codes": {
                 "idempotent": ["DEADLINE_EXCEEDED", "UNAVAILABLE"],
-                "non_idempotent": []
+                "non_idempotent": [],
             },
             "retry_params": {
                 "default": {
@@ -13,51 +13,51 @@
                     "initial_rpc_timeout_millis": 20000,
                     "rpc_timeout_multiplier": 1.0,
                     "max_rpc_timeout_millis": 20000,
-                    "total_timeout_millis": 600000
+                    "total_timeout_millis": 600000,
                 }
             },
             "methods": {
                 "ListMonitoredResourceDescriptors": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "GetMonitoredResourceDescriptor": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "ListMetricDescriptors": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "GetMetricDescriptor": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "CreateMetricDescriptor": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "DeleteMetricDescriptor": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "ListTimeSeries": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "CreateTimeSeries": {
                     "timeout_millis": 12000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
-                }
-            }
+                    "retry_params_name": "default",
+                },
+            },
         }
     }
 }
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/notification_channel_service_client.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/notification_channel_service_client.py
index 824c3578e637..62b2537640fe 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/notification_channel_service_client.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/notification_channel_service_client.py
@@ -32,7 +32,9 @@
 from google.api import monitored_resource_pb2
 from google.cloud.monitoring_v3.gapic import enums
 from google.cloud.monitoring_v3.gapic import notification_channel_service_client_config
-from google.cloud.monitoring_v3.gapic.transports import notification_channel_service_grpc_transport
+from google.cloud.monitoring_v3.gapic.transports import (
+    notification_channel_service_grpc_transport,
+)
 from google.cloud.monitoring_v3.proto import alert_pb2
 from google.cloud.monitoring_v3.proto import alert_service_pb2
 from google.cloud.monitoring_v3.proto import alert_service_pb2_grpc
@@ -50,7 +52,8 @@
 from google.protobuf import field_mask_pb2
 
 _GAPIC_LIBRARY_VERSION = pkg_resources.get_distribution(
-    'google-cloud-monitoring', ).version
+    "google-cloud-monitoring"
+).version
 
 
 class NotificationChannelServiceClient(object):
@@ -59,12 +62,12 @@ class NotificationChannelServiceClient(object):
     controls how messages related to incidents are sent.
     """
 
-    SERVICE_ADDRESS = 'monitoring.googleapis.com:443'
+    SERVICE_ADDRESS = "monitoring.googleapis.com:443"
     """The default address of the service."""
 
     # The name of the interface for this client. This is the key used to
     # find the method configuration in the client_config dictionary.
-    _INTERFACE_NAME = 'google.monitoring.v3.NotificationChannelService'
+    _INTERFACE_NAME = "google.monitoring.v3.NotificationChannelService"
 
     @classmethod
     def from_service_account_file(cls, filename, *args, **kwargs):
@@ -80,9 +83,8 @@ def from_service_account_file(cls, filename, *args, **kwargs):
         Returns:
             NotificationChannelServiceClient: The constructed client.
         """
-        credentials = service_account.Credentials.from_service_account_file(
-            filename)
-        kwargs['credentials'] = credentials
+        credentials = service_account.Credentials.from_service_account_file(filename)
+        kwargs["credentials"] = credentials
         return cls(*args, **kwargs)
 
     from_service_account_json = from_service_account_file
@@ -91,15 +93,14 @@ def from_service_account_file(cls, filename, *args, **kwargs):
     def project_path(cls, project):
         """Return a fully-qualified project string."""
         return google.api_core.path_template.expand(
-            'projects/{project}',
-            project=project,
+            "projects/{project}", project=project
         )
 
     @classmethod
     def notification_channel_path(cls, project, notification_channel):
         """Return a fully-qualified notification_channel string."""
         return google.api_core.path_template.expand(
-            'projects/{project}/notificationChannels/{notification_channel}',
+            "projects/{project}/notificationChannels/{notification_channel}",
             project=project,
             notification_channel=notification_channel,
         )
@@ -108,17 +109,19 @@ def notification_channel_path(cls, project, notification_channel):
     def notification_channel_descriptor_path(cls, project, channel_descriptor):
         """Return a fully-qualified notification_channel_descriptor string."""
         return google.api_core.path_template.expand(
-            'projects/{project}/notificationChannelDescriptors/{channel_descriptor}',
+            "projects/{project}/notificationChannelDescriptors/{channel_descriptor}",
             project=project,
             channel_descriptor=channel_descriptor,
         )
 
-    def __init__(self,
-                 transport=None,
-                 channel=None,
-                 credentials=None,
-                 client_config=None,
-                 client_info=None):
+    def __init__(
+        self,
+        transport=None,
+        channel=None,
+        credentials=None,
+        client_config=None,
+        client_info=None,
+    ):
         """Constructor.
 
         Args:
@@ -152,18 +155,19 @@ def __init__(self,
         # Raise deprecation warnings for things we want to go away.
         if client_config is not None:
             warnings.warn(
-                'The `client_config` argument is deprecated.',
+                "The `client_config` argument is deprecated.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
         else:
             client_config = notification_channel_service_client_config.config
 
         if channel:
             warnings.warn(
-                'The `channel` argument is deprecated; use '
-                '`transport` instead.',
+                "The `channel` argument is deprecated; use " "`transport` instead.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
 
         # Instantiate the transport.
         # The transport is responsible for handling serialization and
@@ -172,25 +176,24 @@ def __init__(self,
             if callable(transport):
                 self.transport = transport(
                     credentials=credentials,
-                    default_class=notification_channel_service_grpc_transport.
-                    NotificationChannelServiceGrpcTransport,
+                    default_class=notification_channel_service_grpc_transport.NotificationChannelServiceGrpcTransport,
                 )
             else:
                 if credentials:
                     raise ValueError(
-                        'Received both a transport instance and '
-                        'credentials; these are mutually exclusive.')
+                        "Received both a transport instance and "
+                        "credentials; these are mutually exclusive."
+                    )
                 self.transport = transport
         else:
             self.transport = notification_channel_service_grpc_transport.NotificationChannelServiceGrpcTransport(
-                address=self.SERVICE_ADDRESS,
-                channel=channel,
-                credentials=credentials,
+                address=self.SERVICE_ADDRESS, channel=channel, credentials=credentials
             )
 
         if client_info is None:
             client_info = google.api_core.gapic_v1.client_info.ClientInfo(
-                gapic_version=_GAPIC_LIBRARY_VERSION, )
+                gapic_version=_GAPIC_LIBRARY_VERSION
+            )
         else:
             client_info.gapic_version = _GAPIC_LIBRARY_VERSION
         self._client_info = client_info
@@ -200,7 +203,8 @@ def __init__(self,
         # (Ordinarily, these are the defaults specified in the `*_config.py`
         # file next to this one.)
         self._method_configs = google.api_core.gapic_v1.config.parse_method_configs(
-            client_config['interfaces'][self._INTERFACE_NAME], )
+            client_config["interfaces"][self._INTERFACE_NAME]
+        )
 
         # Save a dictionary of cached API call functions.
         # These are the actual callables which invoke the proper
@@ -210,12 +214,13 @@ def __init__(self,
 
     # Service calls
     def list_notification_channel_descriptors(
-            self,
-            name,
-            page_size=None,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists the descriptors for supported channel types. The use of descriptors
         makes it possible for new channel types to be dynamically added.
@@ -283,41 +288,45 @@ def list_notification_channel_descriptors(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_notification_channel_descriptors' not in self._inner_api_calls:
+        if "list_notification_channel_descriptors" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_notification_channel_descriptors'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_notification_channel_descriptors,
-                    default_retry=self._method_configs[
-                        'ListNotificationChannelDescriptors'].retry,
-                    default_timeout=self._method_configs[
-                        'ListNotificationChannelDescriptors'].timeout,
-                    client_info=self._client_info,
-                )
+                "list_notification_channel_descriptors"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_notification_channel_descriptors,
+                default_retry=self._method_configs[
+                    "ListNotificationChannelDescriptors"
+                ].retry,
+                default_timeout=self._method_configs[
+                    "ListNotificationChannelDescriptors"
+                ].timeout,
+                client_info=self._client_info,
+            )
 
         request = notification_service_pb2.ListNotificationChannelDescriptorsRequest(
-            name=name,
-            page_size=page_size,
+            name=name, page_size=page_size
         )
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_notification_channel_descriptors'],
+                self._inner_api_calls["list_notification_channel_descriptors"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='channel_descriptors',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="channel_descriptors",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
 
     def get_notification_channel_descriptor(
-            self,
-            name,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Gets a single channel descriptor. The descriptor indicates which fields
         are expected / permitted for a notification channel of the given type.
@@ -357,31 +366,37 @@ def get_notification_channel_descriptor(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'get_notification_channel_descriptor' not in self._inner_api_calls:
+        if "get_notification_channel_descriptor" not in self._inner_api_calls:
             self._inner_api_calls[
-                'get_notification_channel_descriptor'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.get_notification_channel_descriptor,
-                    default_retry=self.
-                    _method_configs['GetNotificationChannelDescriptor'].retry,
-                    default_timeout=self._method_configs[
-                        'GetNotificationChannelDescriptor'].timeout,
-                    client_info=self._client_info,
-                )
+                "get_notification_channel_descriptor"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.get_notification_channel_descriptor,
+                default_retry=self._method_configs[
+                    "GetNotificationChannelDescriptor"
+                ].retry,
+                default_timeout=self._method_configs[
+                    "GetNotificationChannelDescriptor"
+                ].timeout,
+                client_info=self._client_info,
+            )
 
         request = notification_service_pb2.GetNotificationChannelDescriptorRequest(
-            name=name, )
-        return self._inner_api_calls['get_notification_channel_descriptor'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
+            name=name
+        )
+        return self._inner_api_calls["get_notification_channel_descriptor"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
     def list_notification_channels(
-            self,
-            name,
-            filter_=None,
-            order_by=None,
-            page_size=None,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        filter_=None,
+        order_by=None,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists the notification channels that have been created for the project.
 
@@ -454,43 +469,43 @@ def list_notification_channels(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_notification_channels' not in self._inner_api_calls:
+        if "list_notification_channels" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_notification_channels'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_notification_channels,
-                    default_retry=self.
-                    _method_configs['ListNotificationChannels'].retry,
-                    default_timeout=self.
-                    _method_configs['ListNotificationChannels'].timeout,
-                    client_info=self._client_info,
-                )
+                "list_notification_channels"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_notification_channels,
+                default_retry=self._method_configs["ListNotificationChannels"].retry,
+                default_timeout=self._method_configs[
+                    "ListNotificationChannels"
+                ].timeout,
+                client_info=self._client_info,
+            )
 
         request = notification_service_pb2.ListNotificationChannelsRequest(
-            name=name,
-            filter=filter_,
-            order_by=order_by,
-            page_size=page_size,
+            name=name, filter=filter_, order_by=order_by, page_size=page_size
         )
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_notification_channels'],
+                self._inner_api_calls["list_notification_channels"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='notification_channels',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="notification_channels",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
 
     def get_notification_channel(
-            self,
-            name,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Gets a single notification channel. The channel includes the relevant
         configuration details with which the channel was created. However, the
@@ -533,29 +548,29 @@ def get_notification_channel(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'get_notification_channel' not in self._inner_api_calls:
+        if "get_notification_channel" not in self._inner_api_calls:
             self._inner_api_calls[
-                'get_notification_channel'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.get_notification_channel,
-                    default_retry=self.
-                    _method_configs['GetNotificationChannel'].retry,
-                    default_timeout=self.
-                    _method_configs['GetNotificationChannel'].timeout,
-                    client_info=self._client_info,
-                )
+                "get_notification_channel"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.get_notification_channel,
+                default_retry=self._method_configs["GetNotificationChannel"].retry,
+                default_timeout=self._method_configs["GetNotificationChannel"].timeout,
+                client_info=self._client_info,
+            )
 
-        request = notification_service_pb2.GetNotificationChannelRequest(
-            name=name, )
-        return self._inner_api_calls['get_notification_channel'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
+        request = notification_service_pb2.GetNotificationChannelRequest(name=name)
+        return self._inner_api_calls["get_notification_channel"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
     def create_notification_channel(
-            self,
-            name,
-            notification_channel,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        notification_channel,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Creates a new notification channel, representing a single notification
         endpoint such as an email address, SMS number, or PagerDuty service.
@@ -611,31 +626,33 @@ def create_notification_channel(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'create_notification_channel' not in self._inner_api_calls:
+        if "create_notification_channel" not in self._inner_api_calls:
             self._inner_api_calls[
-                'create_notification_channel'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.create_notification_channel,
-                    default_retry=self.
-                    _method_configs['CreateNotificationChannel'].retry,
-                    default_timeout=self.
-                    _method_configs['CreateNotificationChannel'].timeout,
-                    client_info=self._client_info,
-                )
+                "create_notification_channel"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.create_notification_channel,
+                default_retry=self._method_configs["CreateNotificationChannel"].retry,
+                default_timeout=self._method_configs[
+                    "CreateNotificationChannel"
+                ].timeout,
+                client_info=self._client_info,
+            )
 
         request = notification_service_pb2.CreateNotificationChannelRequest(
-            name=name,
-            notification_channel=notification_channel,
+            name=name, notification_channel=notification_channel
+        )
+        return self._inner_api_calls["create_notification_channel"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['create_notification_channel'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
 
     def update_notification_channel(
-            self,
-            notification_channel,
-            update_mask=None,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        notification_channel,
+        update_mask=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Updates a notification channel. Fields not specified in the field mask
         remain unchanged.
@@ -685,31 +702,33 @@ def update_notification_channel(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'update_notification_channel' not in self._inner_api_calls:
+        if "update_notification_channel" not in self._inner_api_calls:
             self._inner_api_calls[
-                'update_notification_channel'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.update_notification_channel,
-                    default_retry=self.
-                    _method_configs['UpdateNotificationChannel'].retry,
-                    default_timeout=self.
-                    _method_configs['UpdateNotificationChannel'].timeout,
-                    client_info=self._client_info,
-                )
+                "update_notification_channel"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.update_notification_channel,
+                default_retry=self._method_configs["UpdateNotificationChannel"].retry,
+                default_timeout=self._method_configs[
+                    "UpdateNotificationChannel"
+                ].timeout,
+                client_info=self._client_info,
+            )
 
         request = notification_service_pb2.UpdateNotificationChannelRequest(
-            notification_channel=notification_channel,
-            update_mask=update_mask,
+            notification_channel=notification_channel, update_mask=update_mask
+        )
+        return self._inner_api_calls["update_notification_channel"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['update_notification_channel'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
 
     def delete_notification_channel(
-            self,
-            name,
-            force=None,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        force=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Deletes a notification channel.
 
@@ -749,20 +768,21 @@ def delete_notification_channel(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'delete_notification_channel' not in self._inner_api_calls:
+        if "delete_notification_channel" not in self._inner_api_calls:
             self._inner_api_calls[
-                'delete_notification_channel'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.delete_notification_channel,
-                    default_retry=self.
-                    _method_configs['DeleteNotificationChannel'].retry,
-                    default_timeout=self.
-                    _method_configs['DeleteNotificationChannel'].timeout,
-                    client_info=self._client_info,
-                )
+                "delete_notification_channel"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.delete_notification_channel,
+                default_retry=self._method_configs["DeleteNotificationChannel"].retry,
+                default_timeout=self._method_configs[
+                    "DeleteNotificationChannel"
+                ].timeout,
+                client_info=self._client_info,
+            )
 
         request = notification_service_pb2.DeleteNotificationChannelRequest(
-            name=name,
-            force=force,
+            name=name, force=force
+        )
+        self._inner_api_calls["delete_notification_channel"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        self._inner_api_calls['delete_notification_channel'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/notification_channel_service_client_config.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/notification_channel_service_client_config.py
index 66ac6a22e25a..16f010042ea8 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/notification_channel_service_client_config.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/notification_channel_service_client_config.py
@@ -3,7 +3,7 @@
         "google.monitoring.v3.NotificationChannelService": {
             "retry_codes": {
                 "idempotent": ["DEADLINE_EXCEEDED", "UNAVAILABLE"],
-                "non_idempotent": []
+                "non_idempotent": [],
             },
             "retry_params": {
                 "default": {
@@ -13,46 +13,46 @@
                     "initial_rpc_timeout_millis": 20000,
                     "rpc_timeout_multiplier": 1.0,
                     "max_rpc_timeout_millis": 20000,
-                    "total_timeout_millis": 600000
+                    "total_timeout_millis": 600000,
                 }
             },
             "methods": {
                 "ListNotificationChannelDescriptors": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "GetNotificationChannelDescriptor": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "ListNotificationChannels": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "GetNotificationChannel": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "CreateNotificationChannel": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "UpdateNotificationChannel": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "DeleteNotificationChannel": {
                     "timeout_millis": 30000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
-                }
-            }
+                    "retry_params_name": "default",
+                },
+            },
         }
     }
 }
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/alert_policy_service_grpc_transport.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/alert_policy_service_grpc_transport.py
index 0c0b606cec52..8182cd35edf0 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/alert_policy_service_grpc_transport.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/alert_policy_service_grpc_transport.py
@@ -27,19 +27,19 @@ class AlertPolicyServiceGrpcTransport(object):
     which can be used to take advantage of advanced
     features of gRPC.
     """
+
     # The scopes needed to make gRPC calls to all of the methods defined
     # in this service.
     _OAUTH_SCOPES = (
-        'https://www.googleapis.com/auth/cloud-platform',
-        'https://www.googleapis.com/auth/monitoring',
-        'https://www.googleapis.com/auth/monitoring.read',
-        'https://www.googleapis.com/auth/monitoring.write',
+        "https://www.googleapis.com/auth/cloud-platform",
+        "https://www.googleapis.com/auth/monitoring",
+        "https://www.googleapis.com/auth/monitoring.read",
+        "https://www.googleapis.com/auth/monitoring.write",
     )
 
-    def __init__(self,
-                 channel=None,
-                 credentials=None,
-                 address='monitoring.googleapis.com:443'):
+    def __init__(
+        self, channel=None, credentials=None, address="monitoring.googleapis.com:443"
+    ):
         """Instantiate the transport class.
 
         Args:
@@ -57,29 +57,25 @@ def __init__(self,
         # exception (channels come with credentials baked in already).
         if channel is not None and credentials is not None:
             raise ValueError(
-                'The `channel` and `credentials` arguments are mutually '
-                'exclusive.', )
+                "The `channel` and `credentials` arguments are mutually " "exclusive."
+            )
 
         # Create the channel.
         if channel is None:
-            channel = self.create_channel(
-                address=address,
-                credentials=credentials,
-            )
+            channel = self.create_channel(address=address, credentials=credentials)
 
         self._channel = channel
 
         # gRPC uses objects called "stubs" that are bound to the
         # channel and provide a basic method for each RPC.
         self._stubs = {
-            'alert_policy_service_stub':
-            alert_service_pb2_grpc.AlertPolicyServiceStub(channel),
+            "alert_policy_service_stub": alert_service_pb2_grpc.AlertPolicyServiceStub(
+                channel
+            )
         }
 
     @classmethod
-    def create_channel(cls,
-                       address='monitoring.googleapis.com:443',
-                       credentials=None):
+    def create_channel(cls, address="monitoring.googleapis.com:443", credentials=None):
         """Create and return a gRPC channel object.
 
         Args:
@@ -98,8 +94,8 @@ def create_channel(cls,
             credentials=credentials,
             scopes=cls._OAUTH_SCOPES,
             options={
-                'grpc.max_send_message_length': -1,
-                'grpc.max_receive_message_length': -1,
+                "grpc.max_send_message_length": -1,
+                "grpc.max_receive_message_length": -1,
             }.items(),
         )
 
@@ -123,7 +119,7 @@ def list_alert_policies(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['alert_policy_service_stub'].ListAlertPolicies
+        return self._stubs["alert_policy_service_stub"].ListAlertPolicies
 
     @property
     def get_alert_policy(self):
@@ -136,7 +132,7 @@ def get_alert_policy(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['alert_policy_service_stub'].GetAlertPolicy
+        return self._stubs["alert_policy_service_stub"].GetAlertPolicy
 
     @property
     def create_alert_policy(self):
@@ -149,7 +145,7 @@ def create_alert_policy(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['alert_policy_service_stub'].CreateAlertPolicy
+        return self._stubs["alert_policy_service_stub"].CreateAlertPolicy
 
     @property
     def delete_alert_policy(self):
@@ -162,7 +158,7 @@ def delete_alert_policy(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['alert_policy_service_stub'].DeleteAlertPolicy
+        return self._stubs["alert_policy_service_stub"].DeleteAlertPolicy
 
     @property
     def update_alert_policy(self):
@@ -178,4 +174,4 @@ def update_alert_policy(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['alert_policy_service_stub'].UpdateAlertPolicy
+        return self._stubs["alert_policy_service_stub"].UpdateAlertPolicy
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/group_service_grpc_transport.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/group_service_grpc_transport.py
index 83d1a8dfa293..e99a907e85fd 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/group_service_grpc_transport.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/group_service_grpc_transport.py
@@ -27,19 +27,19 @@ class GroupServiceGrpcTransport(object):
     which can be used to take advantage of advanced
     features of gRPC.
     """
+
     # The scopes needed to make gRPC calls to all of the methods defined
     # in this service.
     _OAUTH_SCOPES = (
-        'https://www.googleapis.com/auth/cloud-platform',
-        'https://www.googleapis.com/auth/monitoring',
-        'https://www.googleapis.com/auth/monitoring.read',
-        'https://www.googleapis.com/auth/monitoring.write',
+        "https://www.googleapis.com/auth/cloud-platform",
+        "https://www.googleapis.com/auth/monitoring",
+        "https://www.googleapis.com/auth/monitoring.read",
+        "https://www.googleapis.com/auth/monitoring.write",
     )
 
-    def __init__(self,
-                 channel=None,
-                 credentials=None,
-                 address='monitoring.googleapis.com:443'):
+    def __init__(
+        self, channel=None, credentials=None, address="monitoring.googleapis.com:443"
+    ):
         """Instantiate the transport class.
 
         Args:
@@ -57,29 +57,23 @@ def __init__(self,
         # exception (channels come with credentials baked in already).
         if channel is not None and credentials is not None:
             raise ValueError(
-                'The `channel` and `credentials` arguments are mutually '
-                'exclusive.', )
+                "The `channel` and `credentials` arguments are mutually " "exclusive."
+            )
 
         # Create the channel.
         if channel is None:
-            channel = self.create_channel(
-                address=address,
-                credentials=credentials,
-            )
+            channel = self.create_channel(address=address, credentials=credentials)
 
         self._channel = channel
 
         # gRPC uses objects called "stubs" that are bound to the
         # channel and provide a basic method for each RPC.
         self._stubs = {
-            'group_service_stub':
-            group_service_pb2_grpc.GroupServiceStub(channel),
+            "group_service_stub": group_service_pb2_grpc.GroupServiceStub(channel)
         }
 
     @classmethod
-    def create_channel(cls,
-                       address='monitoring.googleapis.com:443',
-                       credentials=None):
+    def create_channel(cls, address="monitoring.googleapis.com:443", credentials=None):
         """Create and return a gRPC channel object.
 
         Args:
@@ -98,8 +92,8 @@ def create_channel(cls,
             credentials=credentials,
             scopes=cls._OAUTH_SCOPES,
             options={
-                'grpc.max_send_message_length': -1,
-                'grpc.max_receive_message_length': -1,
+                "grpc.max_send_message_length": -1,
+                "grpc.max_receive_message_length": -1,
             }.items(),
         )
 
@@ -123,7 +117,7 @@ def list_groups(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['group_service_stub'].ListGroups
+        return self._stubs["group_service_stub"].ListGroups
 
     @property
     def get_group(self):
@@ -136,7 +130,7 @@ def get_group(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['group_service_stub'].GetGroup
+        return self._stubs["group_service_stub"].GetGroup
 
     @property
     def create_group(self):
@@ -149,7 +143,7 @@ def create_group(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['group_service_stub'].CreateGroup
+        return self._stubs["group_service_stub"].CreateGroup
 
     @property
     def update_group(self):
@@ -163,7 +157,7 @@ def update_group(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['group_service_stub'].UpdateGroup
+        return self._stubs["group_service_stub"].UpdateGroup
 
     @property
     def delete_group(self):
@@ -176,7 +170,7 @@ def delete_group(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['group_service_stub'].DeleteGroup
+        return self._stubs["group_service_stub"].DeleteGroup
 
     @property
     def list_group_members(self):
@@ -189,4 +183,4 @@ def list_group_members(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['group_service_stub'].ListGroupMembers
+        return self._stubs["group_service_stub"].ListGroupMembers
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/metric_service_grpc_transport.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/metric_service_grpc_transport.py
index 05e490bd6af3..756525b5aeb5 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/metric_service_grpc_transport.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/metric_service_grpc_transport.py
@@ -27,19 +27,19 @@ class MetricServiceGrpcTransport(object):
     which can be used to take advantage of advanced
     features of gRPC.
     """
+
     # The scopes needed to make gRPC calls to all of the methods defined
     # in this service.
     _OAUTH_SCOPES = (
-        'https://www.googleapis.com/auth/cloud-platform',
-        'https://www.googleapis.com/auth/monitoring',
-        'https://www.googleapis.com/auth/monitoring.read',
-        'https://www.googleapis.com/auth/monitoring.write',
+        "https://www.googleapis.com/auth/cloud-platform",
+        "https://www.googleapis.com/auth/monitoring",
+        "https://www.googleapis.com/auth/monitoring.read",
+        "https://www.googleapis.com/auth/monitoring.write",
     )
 
-    def __init__(self,
-                 channel=None,
-                 credentials=None,
-                 address='monitoring.googleapis.com:443'):
+    def __init__(
+        self, channel=None, credentials=None, address="monitoring.googleapis.com:443"
+    ):
         """Instantiate the transport class.
 
         Args:
@@ -57,29 +57,23 @@ def __init__(self,
         # exception (channels come with credentials baked in already).
         if channel is not None and credentials is not None:
             raise ValueError(
-                'The `channel` and `credentials` arguments are mutually '
-                'exclusive.', )
+                "The `channel` and `credentials` arguments are mutually " "exclusive."
+            )
 
         # Create the channel.
         if channel is None:
-            channel = self.create_channel(
-                address=address,
-                credentials=credentials,
-            )
+            channel = self.create_channel(address=address, credentials=credentials)
 
         self._channel = channel
 
         # gRPC uses objects called "stubs" that are bound to the
         # channel and provide a basic method for each RPC.
         self._stubs = {
-            'metric_service_stub':
-            metric_service_pb2_grpc.MetricServiceStub(channel),
+            "metric_service_stub": metric_service_pb2_grpc.MetricServiceStub(channel)
         }
 
     @classmethod
-    def create_channel(cls,
-                       address='monitoring.googleapis.com:443',
-                       credentials=None):
+    def create_channel(cls, address="monitoring.googleapis.com:443", credentials=None):
         """Create and return a gRPC channel object.
 
         Args:
@@ -98,8 +92,8 @@ def create_channel(cls,
             credentials=credentials,
             scopes=cls._OAUTH_SCOPES,
             options={
-                'grpc.max_send_message_length': -1,
-                'grpc.max_receive_message_length': -1,
+                "grpc.max_send_message_length": -1,
+                "grpc.max_receive_message_length": -1,
             }.items(),
         )
 
@@ -123,8 +117,7 @@ def list_monitored_resource_descriptors(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs[
-            'metric_service_stub'].ListMonitoredResourceDescriptors
+        return self._stubs["metric_service_stub"].ListMonitoredResourceDescriptors
 
     @property
     def get_monitored_resource_descriptor(self):
@@ -137,8 +130,7 @@ def get_monitored_resource_descriptor(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs[
-            'metric_service_stub'].GetMonitoredResourceDescriptor
+        return self._stubs["metric_service_stub"].GetMonitoredResourceDescriptor
 
     @property
     def list_metric_descriptors(self):
@@ -151,7 +143,7 @@ def list_metric_descriptors(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['metric_service_stub'].ListMetricDescriptors
+        return self._stubs["metric_service_stub"].ListMetricDescriptors
 
     @property
     def get_metric_descriptor(self):
@@ -164,7 +156,7 @@ def get_metric_descriptor(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['metric_service_stub'].GetMetricDescriptor
+        return self._stubs["metric_service_stub"].GetMetricDescriptor
 
     @property
     def create_metric_descriptor(self):
@@ -178,7 +170,7 @@ def create_metric_descriptor(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['metric_service_stub'].CreateMetricDescriptor
+        return self._stubs["metric_service_stub"].CreateMetricDescriptor
 
     @property
     def delete_metric_descriptor(self):
@@ -193,7 +185,7 @@ def delete_metric_descriptor(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['metric_service_stub'].DeleteMetricDescriptor
+        return self._stubs["metric_service_stub"].DeleteMetricDescriptor
 
     @property
     def list_time_series(self):
@@ -206,7 +198,7 @@ def list_time_series(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['metric_service_stub'].ListTimeSeries
+        return self._stubs["metric_service_stub"].ListTimeSeries
 
     @property
     def create_time_series(self):
@@ -222,4 +214,4 @@ def create_time_series(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['metric_service_stub'].CreateTimeSeries
+        return self._stubs["metric_service_stub"].CreateTimeSeries
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/notification_channel_service_grpc_transport.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/notification_channel_service_grpc_transport.py
index d4e22c45393b..259394a7a4ee 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/notification_channel_service_grpc_transport.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/notification_channel_service_grpc_transport.py
@@ -27,19 +27,19 @@ class NotificationChannelServiceGrpcTransport(object):
     which can be used to take advantage of advanced
     features of gRPC.
     """
+
     # The scopes needed to make gRPC calls to all of the methods defined
     # in this service.
     _OAUTH_SCOPES = (
-        'https://www.googleapis.com/auth/cloud-platform',
-        'https://www.googleapis.com/auth/monitoring',
-        'https://www.googleapis.com/auth/monitoring.read',
-        'https://www.googleapis.com/auth/monitoring.write',
+        "https://www.googleapis.com/auth/cloud-platform",
+        "https://www.googleapis.com/auth/monitoring",
+        "https://www.googleapis.com/auth/monitoring.read",
+        "https://www.googleapis.com/auth/monitoring.write",
     )
 
-    def __init__(self,
-                 channel=None,
-                 credentials=None,
-                 address='monitoring.googleapis.com:443'):
+    def __init__(
+        self, channel=None, credentials=None, address="monitoring.googleapis.com:443"
+    ):
         """Instantiate the transport class.
 
         Args:
@@ -57,30 +57,25 @@ def __init__(self,
         # exception (channels come with credentials baked in already).
         if channel is not None and credentials is not None:
             raise ValueError(
-                'The `channel` and `credentials` arguments are mutually '
-                'exclusive.', )
+                "The `channel` and `credentials` arguments are mutually " "exclusive."
+            )
 
         # Create the channel.
         if channel is None:
-            channel = self.create_channel(
-                address=address,
-                credentials=credentials,
-            )
+            channel = self.create_channel(address=address, credentials=credentials)
 
         self._channel = channel
 
         # gRPC uses objects called "stubs" that are bound to the
         # channel and provide a basic method for each RPC.
         self._stubs = {
-            'notification_channel_service_stub':
-            notification_service_pb2_grpc.NotificationChannelServiceStub(
-                channel),
+            "notification_channel_service_stub": notification_service_pb2_grpc.NotificationChannelServiceStub(
+                channel
+            )
         }
 
     @classmethod
-    def create_channel(cls,
-                       address='monitoring.googleapis.com:443',
-                       credentials=None):
+    def create_channel(cls, address="monitoring.googleapis.com:443", credentials=None):
         """Create and return a gRPC channel object.
 
         Args:
@@ -99,8 +94,8 @@ def create_channel(cls,
             credentials=credentials,
             scopes=cls._OAUTH_SCOPES,
             options={
-                'grpc.max_send_message_length': -1,
-                'grpc.max_receive_message_length': -1,
+                "grpc.max_send_message_length": -1,
+                "grpc.max_receive_message_length": -1,
             }.items(),
         )
 
@@ -126,7 +121,8 @@ def list_notification_channel_descriptors(self):
                 deserialized response object.
         """
         return self._stubs[
-            'notification_channel_service_stub'].ListNotificationChannelDescriptors
+            "notification_channel_service_stub"
+        ].ListNotificationChannelDescriptors
 
     @property
     def get_notification_channel_descriptor(self):
@@ -141,7 +137,8 @@ def get_notification_channel_descriptor(self):
                 deserialized response object.
         """
         return self._stubs[
-            'notification_channel_service_stub'].GetNotificationChannelDescriptor
+            "notification_channel_service_stub"
+        ].GetNotificationChannelDescriptor
 
     @property
     def list_notification_channels(self):
@@ -154,8 +151,7 @@ def list_notification_channels(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs[
-            'notification_channel_service_stub'].ListNotificationChannels
+        return self._stubs["notification_channel_service_stub"].ListNotificationChannels
 
     @property
     def get_notification_channel(self):
@@ -172,8 +168,7 @@ def get_notification_channel(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs[
-            'notification_channel_service_stub'].GetNotificationChannel
+        return self._stubs["notification_channel_service_stub"].GetNotificationChannel
 
     @property
     def create_notification_channel(self):
@@ -188,7 +183,8 @@ def create_notification_channel(self):
                 deserialized response object.
         """
         return self._stubs[
-            'notification_channel_service_stub'].CreateNotificationChannel
+            "notification_channel_service_stub"
+        ].CreateNotificationChannel
 
     @property
     def update_notification_channel(self):
@@ -203,7 +199,8 @@ def update_notification_channel(self):
                 deserialized response object.
         """
         return self._stubs[
-            'notification_channel_service_stub'].UpdateNotificationChannel
+            "notification_channel_service_stub"
+        ].UpdateNotificationChannel
 
     @property
     def delete_notification_channel(self):
@@ -217,4 +214,5 @@ def delete_notification_channel(self):
                 deserialized response object.
         """
         return self._stubs[
-            'notification_channel_service_stub'].DeleteNotificationChannel
+            "notification_channel_service_stub"
+        ].DeleteNotificationChannel
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/uptime_check_service_grpc_transport.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/uptime_check_service_grpc_transport.py
index a19aea126c02..43060038108c 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/uptime_check_service_grpc_transport.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/transports/uptime_check_service_grpc_transport.py
@@ -27,19 +27,19 @@ class UptimeCheckServiceGrpcTransport(object):
     which can be used to take advantage of advanced
     features of gRPC.
     """
+
     # The scopes needed to make gRPC calls to all of the methods defined
     # in this service.
     _OAUTH_SCOPES = (
-        'https://www.googleapis.com/auth/cloud-platform',
-        'https://www.googleapis.com/auth/monitoring',
-        'https://www.googleapis.com/auth/monitoring.read',
-        'https://www.googleapis.com/auth/monitoring.write',
+        "https://www.googleapis.com/auth/cloud-platform",
+        "https://www.googleapis.com/auth/monitoring",
+        "https://www.googleapis.com/auth/monitoring.read",
+        "https://www.googleapis.com/auth/monitoring.write",
     )
 
-    def __init__(self,
-                 channel=None,
-                 credentials=None,
-                 address='monitoring.googleapis.com:443'):
+    def __init__(
+        self, channel=None, credentials=None, address="monitoring.googleapis.com:443"
+    ):
         """Instantiate the transport class.
 
         Args:
@@ -57,29 +57,25 @@ def __init__(self,
         # exception (channels come with credentials baked in already).
         if channel is not None and credentials is not None:
             raise ValueError(
-                'The `channel` and `credentials` arguments are mutually '
-                'exclusive.', )
+                "The `channel` and `credentials` arguments are mutually " "exclusive."
+            )
 
         # Create the channel.
         if channel is None:
-            channel = self.create_channel(
-                address=address,
-                credentials=credentials,
-            )
+            channel = self.create_channel(address=address, credentials=credentials)
 
         self._channel = channel
 
         # gRPC uses objects called "stubs" that are bound to the
         # channel and provide a basic method for each RPC.
         self._stubs = {
-            'uptime_check_service_stub':
-            uptime_service_pb2_grpc.UptimeCheckServiceStub(channel),
+            "uptime_check_service_stub": uptime_service_pb2_grpc.UptimeCheckServiceStub(
+                channel
+            )
         }
 
     @classmethod
-    def create_channel(cls,
-                       address='monitoring.googleapis.com:443',
-                       credentials=None):
+    def create_channel(cls, address="monitoring.googleapis.com:443", credentials=None):
         """Create and return a gRPC channel object.
 
         Args:
@@ -98,8 +94,8 @@ def create_channel(cls,
             credentials=credentials,
             scopes=cls._OAUTH_SCOPES,
             options={
-                'grpc.max_send_message_length': -1,
-                'grpc.max_receive_message_length': -1,
+                "grpc.max_send_message_length": -1,
+                "grpc.max_receive_message_length": -1,
             }.items(),
         )
 
@@ -124,7 +120,7 @@ def list_uptime_check_configs(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['uptime_check_service_stub'].ListUptimeCheckConfigs
+        return self._stubs["uptime_check_service_stub"].ListUptimeCheckConfigs
 
     @property
     def get_uptime_check_config(self):
@@ -137,7 +133,7 @@ def get_uptime_check_config(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['uptime_check_service_stub'].GetUptimeCheckConfig
+        return self._stubs["uptime_check_service_stub"].GetUptimeCheckConfig
 
     @property
     def create_uptime_check_config(self):
@@ -150,7 +146,7 @@ def create_uptime_check_config(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['uptime_check_service_stub'].CreateUptimeCheckConfig
+        return self._stubs["uptime_check_service_stub"].CreateUptimeCheckConfig
 
     @property
     def update_uptime_check_config(self):
@@ -166,7 +162,7 @@ def update_uptime_check_config(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['uptime_check_service_stub'].UpdateUptimeCheckConfig
+        return self._stubs["uptime_check_service_stub"].UpdateUptimeCheckConfig
 
     @property
     def delete_uptime_check_config(self):
@@ -181,7 +177,7 @@ def delete_uptime_check_config(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['uptime_check_service_stub'].DeleteUptimeCheckConfig
+        return self._stubs["uptime_check_service_stub"].DeleteUptimeCheckConfig
 
     @property
     def list_uptime_check_ips(self):
@@ -194,4 +190,4 @@ def list_uptime_check_ips(self):
                 deserialized request object and returns a
                 deserialized response object.
         """
-        return self._stubs['uptime_check_service_stub'].ListUptimeCheckIps
+        return self._stubs["uptime_check_service_stub"].ListUptimeCheckIps
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/uptime_check_service_client.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/uptime_check_service_client.py
index 5598eb2de3c3..0c0008a43819 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/uptime_check_service_client.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/uptime_check_service_client.py
@@ -32,7 +32,9 @@
 from google.api import monitored_resource_pb2
 from google.cloud.monitoring_v3.gapic import enums
 from google.cloud.monitoring_v3.gapic import uptime_check_service_client_config
-from google.cloud.monitoring_v3.gapic.transports import uptime_check_service_grpc_transport
+from google.cloud.monitoring_v3.gapic.transports import (
+    uptime_check_service_grpc_transport,
+)
 from google.cloud.monitoring_v3.proto import alert_pb2
 from google.cloud.monitoring_v3.proto import alert_service_pb2
 from google.cloud.monitoring_v3.proto import alert_service_pb2_grpc
@@ -53,7 +55,8 @@
 from google.protobuf import field_mask_pb2
 
 _GAPIC_LIBRARY_VERSION = pkg_resources.get_distribution(
-    'google-cloud-monitoring', ).version
+    "google-cloud-monitoring"
+).version
 
 
 class UptimeCheckServiceClient(object):
@@ -68,12 +71,12 @@ class UptimeCheckServiceClient(object):
     Stackdriver, and then clicking on "Uptime".
     """
 
-    SERVICE_ADDRESS = 'monitoring.googleapis.com:443'
+    SERVICE_ADDRESS = "monitoring.googleapis.com:443"
     """The default address of the service."""
 
     # The name of the interface for this client. This is the key used to
     # find the method configuration in the client_config dictionary.
-    _INTERFACE_NAME = 'google.monitoring.v3.UptimeCheckService'
+    _INTERFACE_NAME = "google.monitoring.v3.UptimeCheckService"
 
     @classmethod
     def from_service_account_file(cls, filename, *args, **kwargs):
@@ -89,9 +92,8 @@ def from_service_account_file(cls, filename, *args, **kwargs):
         Returns:
             UptimeCheckServiceClient: The constructed client.
         """
-        credentials = service_account.Credentials.from_service_account_file(
-            filename)
-        kwargs['credentials'] = credentials
+        credentials = service_account.Credentials.from_service_account_file(filename)
+        kwargs["credentials"] = credentials
         return cls(*args, **kwargs)
 
     from_service_account_json = from_service_account_file
@@ -100,25 +102,26 @@ def from_service_account_file(cls, filename, *args, **kwargs):
     def project_path(cls, project):
         """Return a fully-qualified project string."""
         return google.api_core.path_template.expand(
-            'projects/{project}',
-            project=project,
+            "projects/{project}", project=project
         )
 
     @classmethod
     def uptime_check_config_path(cls, project, uptime_check_config):
         """Return a fully-qualified uptime_check_config string."""
         return google.api_core.path_template.expand(
-            'projects/{project}/uptimeCheckConfigs/{uptime_check_config}',
+            "projects/{project}/uptimeCheckConfigs/{uptime_check_config}",
             project=project,
             uptime_check_config=uptime_check_config,
         )
 
-    def __init__(self,
-                 transport=None,
-                 channel=None,
-                 credentials=None,
-                 client_config=None,
-                 client_info=None):
+    def __init__(
+        self,
+        transport=None,
+        channel=None,
+        credentials=None,
+        client_config=None,
+        client_info=None,
+    ):
         """Constructor.
 
         Args:
@@ -152,18 +155,19 @@ def __init__(self,
         # Raise deprecation warnings for things we want to go away.
         if client_config is not None:
             warnings.warn(
-                'The `client_config` argument is deprecated.',
+                "The `client_config` argument is deprecated.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
         else:
             client_config = uptime_check_service_client_config.config
 
         if channel:
             warnings.warn(
-                'The `channel` argument is deprecated; use '
-                '`transport` instead.',
+                "The `channel` argument is deprecated; use " "`transport` instead.",
                 PendingDeprecationWarning,
-                stacklevel=2)
+                stacklevel=2,
+            )
 
         # Instantiate the transport.
         # The transport is responsible for handling serialization and
@@ -172,25 +176,24 @@ def __init__(self,
             if callable(transport):
                 self.transport = transport(
                     credentials=credentials,
-                    default_class=uptime_check_service_grpc_transport.
-                    UptimeCheckServiceGrpcTransport,
+                    default_class=uptime_check_service_grpc_transport.UptimeCheckServiceGrpcTransport,
                 )
             else:
                 if credentials:
                     raise ValueError(
-                        'Received both a transport instance and '
-                        'credentials; these are mutually exclusive.')
+                        "Received both a transport instance and "
+                        "credentials; these are mutually exclusive."
+                    )
                 self.transport = transport
         else:
             self.transport = uptime_check_service_grpc_transport.UptimeCheckServiceGrpcTransport(
-                address=self.SERVICE_ADDRESS,
-                channel=channel,
-                credentials=credentials,
+                address=self.SERVICE_ADDRESS, channel=channel, credentials=credentials
             )
 
         if client_info is None:
             client_info = google.api_core.gapic_v1.client_info.ClientInfo(
-                gapic_version=_GAPIC_LIBRARY_VERSION, )
+                gapic_version=_GAPIC_LIBRARY_VERSION
+            )
         else:
             client_info.gapic_version = _GAPIC_LIBRARY_VERSION
         self._client_info = client_info
@@ -200,7 +203,8 @@ def __init__(self,
         # (Ordinarily, these are the defaults specified in the `*_config.py`
         # file next to this one.)
         self._method_configs = google.api_core.gapic_v1.config.parse_method_configs(
-            client_config['interfaces'][self._INTERFACE_NAME], )
+            client_config["interfaces"][self._INTERFACE_NAME]
+        )
 
         # Save a dictionary of cached API call functions.
         # These are the actual callables which invoke the proper
@@ -210,12 +214,13 @@ def __init__(self,
 
     # Service calls
     def list_uptime_check_configs(
-            self,
-            parent,
-            page_size=None,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        parent,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Lists the existing valid uptime check configurations for the project,
         leaving out any invalid configurations.
@@ -275,41 +280,41 @@ def list_uptime_check_configs(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_uptime_check_configs' not in self._inner_api_calls:
+        if "list_uptime_check_configs" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_uptime_check_configs'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_uptime_check_configs,
-                    default_retry=self.
-                    _method_configs['ListUptimeCheckConfigs'].retry,
-                    default_timeout=self.
-                    _method_configs['ListUptimeCheckConfigs'].timeout,
-                    client_info=self._client_info,
-                )
+                "list_uptime_check_configs"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_uptime_check_configs,
+                default_retry=self._method_configs["ListUptimeCheckConfigs"].retry,
+                default_timeout=self._method_configs["ListUptimeCheckConfigs"].timeout,
+                client_info=self._client_info,
+            )
 
         request = uptime_service_pb2.ListUptimeCheckConfigsRequest(
-            parent=parent,
-            page_size=page_size,
+            parent=parent, page_size=page_size
         )
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_uptime_check_configs'],
+                self._inner_api_calls["list_uptime_check_configs"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='uptime_check_configs',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="uptime_check_configs",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
 
     def get_uptime_check_config(
-            self,
-            name,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Gets a single uptime check configuration.
 
@@ -348,28 +353,29 @@ def get_uptime_check_config(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'get_uptime_check_config' not in self._inner_api_calls:
+        if "get_uptime_check_config" not in self._inner_api_calls:
             self._inner_api_calls[
-                'get_uptime_check_config'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.get_uptime_check_config,
-                    default_retry=self._method_configs['GetUptimeCheckConfig'].
-                    retry,
-                    default_timeout=self.
-                    _method_configs['GetUptimeCheckConfig'].timeout,
-                    client_info=self._client_info,
-                )
+                "get_uptime_check_config"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.get_uptime_check_config,
+                default_retry=self._method_configs["GetUptimeCheckConfig"].retry,
+                default_timeout=self._method_configs["GetUptimeCheckConfig"].timeout,
+                client_info=self._client_info,
+            )
 
-        request = uptime_service_pb2.GetUptimeCheckConfigRequest(name=name, )
-        return self._inner_api_calls['get_uptime_check_config'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
+        request = uptime_service_pb2.GetUptimeCheckConfigRequest(name=name)
+        return self._inner_api_calls["get_uptime_check_config"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
     def create_uptime_check_config(
-            self,
-            parent,
-            uptime_check_config,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        parent,
+        uptime_check_config,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Creates a new uptime check configuration.
 
@@ -415,31 +421,31 @@ def create_uptime_check_config(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'create_uptime_check_config' not in self._inner_api_calls:
+        if "create_uptime_check_config" not in self._inner_api_calls:
             self._inner_api_calls[
-                'create_uptime_check_config'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.create_uptime_check_config,
-                    default_retry=self.
-                    _method_configs['CreateUptimeCheckConfig'].retry,
-                    default_timeout=self.
-                    _method_configs['CreateUptimeCheckConfig'].timeout,
-                    client_info=self._client_info,
-                )
+                "create_uptime_check_config"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.create_uptime_check_config,
+                default_retry=self._method_configs["CreateUptimeCheckConfig"].retry,
+                default_timeout=self._method_configs["CreateUptimeCheckConfig"].timeout,
+                client_info=self._client_info,
+            )
 
         request = uptime_service_pb2.CreateUptimeCheckConfigRequest(
-            parent=parent,
-            uptime_check_config=uptime_check_config,
+            parent=parent, uptime_check_config=uptime_check_config
+        )
+        return self._inner_api_calls["create_uptime_check_config"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['create_uptime_check_config'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
 
     def update_uptime_check_config(
-            self,
-            uptime_check_config,
-            update_mask=None,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        uptime_check_config,
+        update_mask=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Updates an uptime check configuration. You can either replace the entire
         configuration with a new one or replace only certain fields in the
@@ -501,30 +507,30 @@ def update_uptime_check_config(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'update_uptime_check_config' not in self._inner_api_calls:
+        if "update_uptime_check_config" not in self._inner_api_calls:
             self._inner_api_calls[
-                'update_uptime_check_config'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.update_uptime_check_config,
-                    default_retry=self.
-                    _method_configs['UpdateUptimeCheckConfig'].retry,
-                    default_timeout=self.
-                    _method_configs['UpdateUptimeCheckConfig'].timeout,
-                    client_info=self._client_info,
-                )
+                "update_uptime_check_config"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.update_uptime_check_config,
+                default_retry=self._method_configs["UpdateUptimeCheckConfig"].retry,
+                default_timeout=self._method_configs["UpdateUptimeCheckConfig"].timeout,
+                client_info=self._client_info,
+            )
 
         request = uptime_service_pb2.UpdateUptimeCheckConfigRequest(
-            uptime_check_config=uptime_check_config,
-            update_mask=update_mask,
+            uptime_check_config=uptime_check_config, update_mask=update_mask
+        )
+        return self._inner_api_calls["update_uptime_check_config"](
+            request, retry=retry, timeout=timeout, metadata=metadata
         )
-        return self._inner_api_calls['update_uptime_check_config'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
 
     def delete_uptime_check_config(
-            self,
-            name,
-            retry=google.api_core.gapic_v1.method.DEFAULT,
-            timeout=google.api_core.gapic_v1.method.DEFAULT,
-            metadata=None):
+        self,
+        name,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Deletes an uptime check configuration. Note that this method will fail
         if the uptime check configuration is referenced by an alert policy or
@@ -562,27 +568,28 @@ def delete_uptime_check_config(
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'delete_uptime_check_config' not in self._inner_api_calls:
+        if "delete_uptime_check_config" not in self._inner_api_calls:
             self._inner_api_calls[
-                'delete_uptime_check_config'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.delete_uptime_check_config,
-                    default_retry=self.
-                    _method_configs['DeleteUptimeCheckConfig'].retry,
-                    default_timeout=self.
-                    _method_configs['DeleteUptimeCheckConfig'].timeout,
-                    client_info=self._client_info,
-                )
+                "delete_uptime_check_config"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.delete_uptime_check_config,
+                default_retry=self._method_configs["DeleteUptimeCheckConfig"].retry,
+                default_timeout=self._method_configs["DeleteUptimeCheckConfig"].timeout,
+                client_info=self._client_info,
+            )
 
-        request = uptime_service_pb2.DeleteUptimeCheckConfigRequest(
-            name=name, )
-        self._inner_api_calls['delete_uptime_check_config'](
-            request, retry=retry, timeout=timeout, metadata=metadata)
+        request = uptime_service_pb2.DeleteUptimeCheckConfigRequest(name=name)
+        self._inner_api_calls["delete_uptime_check_config"](
+            request, retry=retry, timeout=timeout, metadata=metadata
+        )
 
-    def list_uptime_check_ips(self,
-                              page_size=None,
-                              retry=google.api_core.gapic_v1.method.DEFAULT,
-                              timeout=google.api_core.gapic_v1.method.DEFAULT,
-                              metadata=None):
+    def list_uptime_check_ips(
+        self,
+        page_size=None,
+        retry=google.api_core.gapic_v1.method.DEFAULT,
+        timeout=google.api_core.gapic_v1.method.DEFAULT,
+        metadata=None,
+    ):
         """
         Returns the list of IPs that checkers run from
 
@@ -637,29 +644,28 @@ def list_uptime_check_ips(self,
             metadata = []
         metadata = list(metadata)
         # Wrap the transport method to add retry and timeout logic.
-        if 'list_uptime_check_ips' not in self._inner_api_calls:
+        if "list_uptime_check_ips" not in self._inner_api_calls:
             self._inner_api_calls[
-                'list_uptime_check_ips'] = google.api_core.gapic_v1.method.wrap_method(
-                    self.transport.list_uptime_check_ips,
-                    default_retry=self._method_configs['ListUptimeCheckIps'].
-                    retry,
-                    default_timeout=self._method_configs['ListUptimeCheckIps'].
-                    timeout,
-                    client_info=self._client_info,
-                )
+                "list_uptime_check_ips"
+            ] = google.api_core.gapic_v1.method.wrap_method(
+                self.transport.list_uptime_check_ips,
+                default_retry=self._method_configs["ListUptimeCheckIps"].retry,
+                default_timeout=self._method_configs["ListUptimeCheckIps"].timeout,
+                client_info=self._client_info,
+            )
 
-        request = uptime_service_pb2.ListUptimeCheckIpsRequest(
-            page_size=page_size, )
+        request = uptime_service_pb2.ListUptimeCheckIpsRequest(page_size=page_size)
         iterator = google.api_core.page_iterator.GRPCIterator(
             client=None,
             method=functools.partial(
-                self._inner_api_calls['list_uptime_check_ips'],
+                self._inner_api_calls["list_uptime_check_ips"],
                 retry=retry,
                 timeout=timeout,
-                metadata=metadata),
+                metadata=metadata,
+            ),
             request=request,
-            items_field='uptime_check_ips',
-            request_token_field='page_token',
-            response_token_field='next_page_token',
+            items_field="uptime_check_ips",
+            request_token_field="page_token",
+            response_token_field="next_page_token",
         )
         return iterator
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/uptime_check_service_client_config.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/uptime_check_service_client_config.py
index 3bac592e01a2..0be9a06c1184 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/uptime_check_service_client_config.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/gapic/uptime_check_service_client_config.py
@@ -3,7 +3,7 @@
         "google.monitoring.v3.UptimeCheckService": {
             "retry_codes": {
                 "idempotent": ["DEADLINE_EXCEEDED", "UNAVAILABLE"],
-                "non_idempotent": []
+                "non_idempotent": [],
             },
             "retry_params": {
                 "default": {
@@ -13,41 +13,41 @@
                     "initial_rpc_timeout_millis": 20000,
                     "rpc_timeout_multiplier": 1.0,
                     "max_rpc_timeout_millis": 20000,
-                    "total_timeout_millis": 600000
+                    "total_timeout_millis": 600000,
                 }
             },
             "methods": {
                 "ListUptimeCheckConfigs": {
                     "timeout_millis": 60000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "GetUptimeCheckConfig": {
                     "timeout_millis": 60000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "CreateUptimeCheckConfig": {
                     "timeout_millis": 60000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "UpdateUptimeCheckConfig": {
                     "timeout_millis": 60000,
                     "retry_codes_name": "non_idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "DeleteUptimeCheckConfig": {
                     "timeout_millis": 60000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
+                    "retry_params_name": "default",
                 },
                 "ListUptimeCheckIps": {
                     "timeout_millis": 60000,
                     "retry_codes_name": "idempotent",
-                    "retry_params_name": "default"
-                }
-            }
+                    "retry_params_name": "default",
+                },
+            },
         }
     }
 }
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/query.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/query.py
index 258d39272a63..cb23082f4575 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/query.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/query.py
@@ -80,20 +80,27 @@ class Query(object):
     .. _supported metrics: https://cloud.google.com/monitoring/api/metrics
     """
 
-    DEFAULT_METRIC_TYPE = 'compute.googleapis.com/instance/cpu/utilization'
-
-    def __init__(self, client, project,
-                 metric_type=DEFAULT_METRIC_TYPE,
-                 end_time=None, days=0, hours=0, minutes=0):
+    DEFAULT_METRIC_TYPE = "compute.googleapis.com/instance/cpu/utilization"
+
+    def __init__(
+        self,
+        client,
+        project,
+        metric_type=DEFAULT_METRIC_TYPE,
+        end_time=None,
+        days=0,
+        hours=0,
+        minutes=0,
+    ):
         start_time = None
         if days or hours or minutes:
             if end_time is None:
                 end_time = _UTCNOW().replace(second=0, microsecond=0)
-            start_time = end_time - datetime.timedelta(days=days,
-                                                       hours=hours,
-                                                       minutes=minutes)
+            start_time = end_time - datetime.timedelta(
+                days=days, hours=hours, minutes=minutes
+            )
         elif end_time is not None:
-            raise ValueError('Non-zero duration required for time interval.')
+            raise ValueError("Non-zero duration required for time interval.")
 
         self._client = client
         self._project_path = self._client.project_path(project)
@@ -355,8 +362,7 @@ def align(self, per_series_aligner, seconds=0, minutes=0, hours=0):
         """
         new_query = copy.deepcopy(self)
         new_query._per_series_aligner = per_series_aligner
-        new_query._alignment_period_seconds = seconds + 60 * (minutes +
-                                                              60 * hours)
+        new_query._alignment_period_seconds = seconds + 60 * (minutes + 60 * hours)
         return new_query
 
     def reduce(self, cross_series_reducer, *group_by_fields):
@@ -428,7 +434,7 @@ def iter(self, headers_only=False, page_size=None):
             specified.
         """
         if self._end_time is None:
-            raise ValueError('Query time interval not specified.')
+            raise ValueError("Query time interval not specified.")
 
         params = self._build_query_params(headers_only, page_size)
         for ts in self._client.list_time_series(**params):
@@ -446,29 +452,33 @@ def _build_query_params(self, headers_only=False, page_size=None):
         :param page_size:
             (Optional) A limit on the number of points to return per page.
         """
-        params = {'name': self._project_path, 'filter_': self.filter}
+        params = {"name": self._project_path, "filter_": self.filter}
 
-        params['interval'] = types.TimeInterval()
-        params['interval'].end_time.FromDatetime(self._end_time)
+        params["interval"] = types.TimeInterval()
+        params["interval"].end_time.FromDatetime(self._end_time)
         if self._start_time:
-            params['interval'].start_time.FromDatetime(self._start_time)
-
-        if (self._per_series_aligner or self._alignment_period_seconds or
-                self._cross_series_reducer or self._group_by_fields):
-            params['aggregation'] = types.Aggregation(
+            params["interval"].start_time.FromDatetime(self._start_time)
+
+        if (
+            self._per_series_aligner
+            or self._alignment_period_seconds
+            or self._cross_series_reducer
+            or self._group_by_fields
+        ):
+            params["aggregation"] = types.Aggregation(
                 per_series_aligner=self._per_series_aligner,
                 cross_series_reducer=self._cross_series_reducer,
                 group_by_fields=self._group_by_fields,
-                alignment_period={'seconds': self._alignment_period_seconds},
+                alignment_period={"seconds": self._alignment_period_seconds},
             )
 
         if headers_only:
-            params['view'] = enums.ListTimeSeriesRequest.TimeSeriesView.HEADERS
+            params["view"] = enums.ListTimeSeriesRequest.TimeSeriesView.HEADERS
         else:
-            params['view'] = enums.ListTimeSeriesRequest.TimeSeriesView.FULL
+            params["view"] = enums.ListTimeSeriesRequest.TimeSeriesView.FULL
 
         if page_size is not None:
-            params['page_size'] = page_size
+            params["page_size"] = page_size
 
         return params
 
@@ -513,8 +523,7 @@ def as_dataframe(self, label=None, labels=None):
         :rtype: :class:`pandas.DataFrame`
         :returns: A dataframe where each column represents one time series.
         """
-        return _dataframe._build_dataframe(
-            self, label, labels)
+        return _dataframe._build_dataframe(self, label, labels)
 
     def __deepcopy__(self, memo):
         """Create a deepcopy of the query object.
@@ -548,16 +557,14 @@ def select_resources(self, *args, **kwargs):
 
         See :meth:`Query.select_resources`.
         """
-        self.resource_label_filter = _build_label_filter('resource',
-                                                         *args, **kwargs)
+        self.resource_label_filter = _build_label_filter("resource", *args, **kwargs)
 
     def select_metrics(self, *args, **kwargs):
         """Select by metric labels.
 
         See :meth:`Query.select_metrics`.
         """
-        self.metric_label_filter = _build_label_filter('metric',
-                                                       *args, **kwargs)
+        self.metric_label_filter = _build_label_filter("metric", *args, **kwargs)
 
     def __str__(self):
         filters = ['metric.type = "{type}"'.format(type=self.metric_type)]
@@ -565,8 +572,11 @@ def __str__(self):
             filters.append('group.id = "{id}"'.format(id=self.group_id))
         if self.projects:
             filters.append(
-                ' OR '.join('project = "{project}"'.format(project=project)
-                            for project in self.projects))
+                " OR ".join(
+                    'project = "{project}"'.format(project=project)
+                    for project in self.projects
+                )
+            )
         if self.resource_label_filter:
             filters.append(self.resource_label_filter)
         if self.metric_label_filter:
@@ -574,7 +584,7 @@ def __str__(self):
 
         # Parentheses are never actually required, because OR binds more
         # tightly than AND in the Monitoring API's filter syntax.
-        return ' AND '.join(filters)
+        return " AND ".join(filters)
 
 
 def _build_label_filter(category, *args, **kwargs):
@@ -585,30 +595,31 @@ def _build_label_filter(category, *args, **kwargs):
             continue
 
         suffix = None
-        if key.endswith(('_prefix', '_suffix', '_greater', '_greaterequal',
-                         '_less', '_lessequal')):
-            key, suffix = key.rsplit('_', 1)
+        if key.endswith(
+            ("_prefix", "_suffix", "_greater", "_greaterequal", "_less", "_lessequal")
+        ):
+            key, suffix = key.rsplit("_", 1)
 
-        if category == 'resource' and key == 'resource_type':
-            key = 'resource.type'
+        if category == "resource" and key == "resource_type":
+            key = "resource.type"
         else:
-            key = '.'.join((category, 'label', key))
+            key = ".".join((category, "label", key))
 
-        if suffix == 'prefix':
+        if suffix == "prefix":
             term = '{key} = starts_with("{value}")'
-        elif suffix == 'suffix':
+        elif suffix == "suffix":
             term = '{key} = ends_with("{value}")'
-        elif suffix == 'greater':
-            term = '{key} > {value}'
-        elif suffix == 'greaterequal':
-            term = '{key} >= {value}'
-        elif suffix == 'less':
-            term = '{key} < {value}'
-        elif suffix == 'lessequal':
-            term = '{key} <= {value}'
+        elif suffix == "greater":
+            term = "{key} > {value}"
+        elif suffix == "greaterequal":
+            term = "{key} >= {value}"
+        elif suffix == "less":
+            term = "{key} < {value}"
+        elif suffix == "lessequal":
+            term = "{key} <= {value}"
         else:
             term = '{key} = "{value}"'
 
         terms.append(term.format(key=key, value=value))
 
-    return ' AND '.join(sorted(terms))
+    return " AND ".join(sorted(terms))
diff --git a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/types.py b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/types.py
index eaaca682c625..912ca4ded399 100644
--- a/packages/google-cloud-monitoring/google/cloud/monitoring_v3/types.py
+++ b/packages/google-cloud-monitoring/google/cloud/monitoring_v3/types.py
@@ -90,7 +90,7 @@
         names.append(name)
 for module in _local_modules:
     for name, message in get_messages(module).items():
-        message.__module__ = 'google.cloud.monitoring_v3.types'
+        message.__module__ = "google.cloud.monitoring_v3.types"
         setattr(sys.modules[__name__], name, message)
         names.append(name)
 
diff --git a/packages/google-cloud-monitoring/tests/system/gapic/v3/test_system_metric_service_v3.py b/packages/google-cloud-monitoring/tests/system/gapic/v3/test_system_metric_service_v3.py
index 818a23acae96..b8a574945aae 100644
--- a/packages/google-cloud-monitoring/tests/system/gapic/v3/test_system_metric_service_v3.py
+++ b/packages/google-cloud-monitoring/tests/system/gapic/v3/test_system_metric_service_v3.py
@@ -23,7 +23,7 @@
 
 class TestSystemMetricService(object):
     def test_list_monitored_resource_descriptors(self):
-        project_id = os.environ['PROJECT_ID']
+        project_id = os.environ["PROJECT_ID"]
 
         client = monitoring_v3.MetricServiceClient()
         name = client.project_path(project_id)
diff --git a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_alert_policy_service_client_v3.py b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_alert_policy_service_client_v3.py
index 4c2c7a0df9f3..07eccf5ebd39 100644
--- a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_alert_policy_service_client_v3.py
+++ b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_alert_policy_service_client_v3.py
@@ -52,10 +52,7 @@ def __init__(self, responses=[]):
         self.responses = responses
         self.requests = []
 
-    def unary_unary(self,
-                    method,
-                    request_serializer=None,
-                    response_deserializer=None):
+    def unary_unary(self, method, request_serializer=None, response_deserializer=None):
         return MultiCallableStub(method, self)
 
 
@@ -66,25 +63,26 @@ class CustomException(Exception):
 class TestAlertPolicyServiceClient(object):
     def test_list_alert_policies(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         alert_policies_element = {}
         alert_policies = [alert_policies_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'alert_policies': alert_policies
+            "next_page_token": next_page_token,
+            "alert_policies": alert_policies,
         }
         expected_response = alert_service_pb2.ListAlertPoliciesResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_alert_policies(name)
         resources = list(paged_list_response)
@@ -93,20 +91,19 @@ def test_list_alert_policies(self):
         assert expected_response.alert_policies[0] == resources[0]
 
         assert len(channel.requests) == 1
-        expected_request = alert_service_pb2.ListAlertPoliciesRequest(
-            name=name)
+        expected_request = alert_service_pb2.ListAlertPoliciesRequest(name=name)
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_list_alert_policies_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_alert_policies(name)
         with pytest.raises(CustomException):
@@ -114,20 +111,20 @@ def test_list_alert_policies_exception(self):
 
     def test_get_alert_policy(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        display_name = 'displayName1615086568'
-        expected_response = {'name': name_2, 'display_name': display_name}
+        name_2 = "name2-1052831874"
+        display_name = "displayName1615086568"
+        expected_response = {"name": name_2, "display_name": display_name}
         expected_response = alert_pb2.AlertPolicy(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
 
         # Setup Request
-        name = client.alert_policy_path('[PROJECT]', '[ALERT_POLICY]')
+        name = client.alert_policy_path("[PROJECT]", "[ALERT_POLICY]")
 
         response = client.get_alert_policy(name)
         assert expected_response == response
@@ -140,33 +137,33 @@ def test_get_alert_policy(self):
     def test_get_alert_policy_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
 
         # Setup request
-        name = client.alert_policy_path('[PROJECT]', '[ALERT_POLICY]')
+        name = client.alert_policy_path("[PROJECT]", "[ALERT_POLICY]")
 
         with pytest.raises(CustomException):
             client.get_alert_policy(name)
 
     def test_create_alert_policy(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        display_name = 'displayName1615086568'
-        expected_response = {'name': name_2, 'display_name': display_name}
+        name_2 = "name2-1052831874"
+        display_name = "displayName1615086568"
+        expected_response = {"name": name_2, "display_name": display_name}
         expected_response = alert_pb2.AlertPolicy(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         alert_policy = {}
 
         response = client.create_alert_policy(name, alert_policy)
@@ -174,20 +171,21 @@ def test_create_alert_policy(self):
 
         assert len(channel.requests) == 1
         expected_request = alert_service_pb2.CreateAlertPolicyRequest(
-            name=name, alert_policy=alert_policy)
+            name=name, alert_policy=alert_policy
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_create_alert_policy_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         alert_policy = {}
 
         with pytest.raises(CustomException):
@@ -195,46 +193,45 @@ def test_create_alert_policy_exception(self):
 
     def test_delete_alert_policy(self):
         channel = ChannelStub()
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
 
         # Setup Request
-        name = client.alert_policy_path('[PROJECT]', '[ALERT_POLICY]')
+        name = client.alert_policy_path("[PROJECT]", "[ALERT_POLICY]")
 
         client.delete_alert_policy(name)
 
         assert len(channel.requests) == 1
-        expected_request = alert_service_pb2.DeleteAlertPolicyRequest(
-            name=name)
+        expected_request = alert_service_pb2.DeleteAlertPolicyRequest(name=name)
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_delete_alert_policy_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
 
         # Setup request
-        name = client.alert_policy_path('[PROJECT]', '[ALERT_POLICY]')
+        name = client.alert_policy_path("[PROJECT]", "[ALERT_POLICY]")
 
         with pytest.raises(CustomException):
             client.delete_alert_policy(name)
 
     def test_update_alert_policy(self):
         # Setup Expected Response
-        name = 'name3373707'
-        display_name = 'displayName1615086568'
-        expected_response = {'name': name, 'display_name': display_name}
+        name = "name3373707"
+        display_name = "displayName1615086568"
+        expected_response = {"name": name, "display_name": display_name}
         expected_response = alert_pb2.AlertPolicy(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
@@ -247,14 +244,15 @@ def test_update_alert_policy(self):
 
         assert len(channel.requests) == 1
         expected_request = alert_service_pb2.UpdateAlertPolicyRequest(
-            alert_policy=alert_policy)
+            alert_policy=alert_policy
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_update_alert_policy_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.AlertPolicyServiceClient()
diff --git a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_group_service_client_v3.py b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_group_service_client_v3.py
index 09b4487717c1..845c52d75919 100644
--- a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_group_service_client_v3.py
+++ b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_group_service_client_v3.py
@@ -53,10 +53,7 @@ def __init__(self, responses=[]):
         self.responses = responses
         self.requests = []
 
-    def unary_unary(self,
-                    method,
-                    request_serializer=None,
-                    response_deserializer=None):
+    def unary_unary(self, method, request_serializer=None, response_deserializer=None):
         return MultiCallableStub(method, self)
 
 
@@ -67,25 +64,21 @@ class CustomException(Exception):
 class TestGroupServiceClient(object):
     def test_list_groups(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         group_element = {}
         group = [group_element]
-        expected_response = {
-            'next_page_token': next_page_token,
-            'group': group
-        }
-        expected_response = group_service_pb2.ListGroupsResponse(
-            **expected_response)
+        expected_response = {"next_page_token": next_page_token, "group": group}
+        expected_response = group_service_pb2.ListGroupsResponse(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_groups(name)
         resources = list(paged_list_response)
@@ -100,13 +93,13 @@ def test_list_groups(self):
 
     def test_list_groups_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_groups(name)
         with pytest.raises(CustomException):
@@ -114,29 +107,29 @@ def test_list_groups_exception(self):
 
     def test_get_group(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        display_name = 'displayName1615086568'
-        parent_name = 'parentName1015022848'
-        filter_ = 'filter-1274492040'
+        name_2 = "name2-1052831874"
+        display_name = "displayName1615086568"
+        parent_name = "parentName1015022848"
+        filter_ = "filter-1274492040"
         is_cluster = False
         expected_response = {
-            'name': name_2,
-            'display_name': display_name,
-            'parent_name': parent_name,
-            'filter': filter_,
-            'is_cluster': is_cluster
+            "name": name_2,
+            "display_name": display_name,
+            "parent_name": parent_name,
+            "filter": filter_,
+            "is_cluster": is_cluster,
         }
         expected_response = group_pb2.Group(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup Request
-        name = client.group_path('[PROJECT]', '[GROUP]')
+        name = client.group_path("[PROJECT]", "[GROUP]")
 
         response = client.get_group(name)
         assert expected_response == response
@@ -149,63 +142,62 @@ def test_get_group(self):
     def test_get_group_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup request
-        name = client.group_path('[PROJECT]', '[GROUP]')
+        name = client.group_path("[PROJECT]", "[GROUP]")
 
         with pytest.raises(CustomException):
             client.get_group(name)
 
     def test_create_group(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        display_name = 'displayName1615086568'
-        parent_name = 'parentName1015022848'
-        filter_ = 'filter-1274492040'
+        name_2 = "name2-1052831874"
+        display_name = "displayName1615086568"
+        parent_name = "parentName1015022848"
+        filter_ = "filter-1274492040"
         is_cluster = False
         expected_response = {
-            'name': name_2,
-            'display_name': display_name,
-            'parent_name': parent_name,
-            'filter': filter_,
-            'is_cluster': is_cluster
+            "name": name_2,
+            "display_name": display_name,
+            "parent_name": parent_name,
+            "filter": filter_,
+            "is_cluster": is_cluster,
         }
         expected_response = group_pb2.Group(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         group = {}
 
         response = client.create_group(name, group)
         assert expected_response == response
 
         assert len(channel.requests) == 1
-        expected_request = group_service_pb2.CreateGroupRequest(
-            name=name, group=group)
+        expected_request = group_service_pb2.CreateGroupRequest(name=name, group=group)
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_create_group_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         group = {}
 
         with pytest.raises(CustomException):
@@ -213,23 +205,23 @@ def test_create_group_exception(self):
 
     def test_update_group(self):
         # Setup Expected Response
-        name = 'name3373707'
-        display_name = 'displayName1615086568'
-        parent_name = 'parentName1015022848'
-        filter_ = 'filter-1274492040'
+        name = "name3373707"
+        display_name = "displayName1615086568"
+        parent_name = "parentName1015022848"
+        filter_ = "filter-1274492040"
         is_cluster = False
         expected_response = {
-            'name': name,
-            'display_name': display_name,
-            'parent_name': parent_name,
-            'filter': filter_,
-            'is_cluster': is_cluster
+            "name": name,
+            "display_name": display_name,
+            "parent_name": parent_name,
+            "filter": filter_,
+            "is_cluster": is_cluster,
         }
         expected_response = group_pb2.Group(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
@@ -248,7 +240,7 @@ def test_update_group(self):
     def test_update_group_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
@@ -261,13 +253,13 @@ def test_update_group_exception(self):
 
     def test_delete_group(self):
         channel = ChannelStub()
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup Request
-        name = client.group_path('[PROJECT]', '[GROUP]')
+        name = client.group_path("[PROJECT]", "[GROUP]")
 
         client.delete_group(name)
 
@@ -279,40 +271,41 @@ def test_delete_group(self):
     def test_delete_group_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup request
-        name = client.group_path('[PROJECT]', '[GROUP]')
+        name = client.group_path("[PROJECT]", "[GROUP]")
 
         with pytest.raises(CustomException):
             client.delete_group(name)
 
     def test_list_group_members(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         total_size = 705419236
         members_element = {}
         members = [members_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'total_size': total_size,
-            'members': members
+            "next_page_token": next_page_token,
+            "total_size": total_size,
+            "members": members,
         }
         expected_response = group_service_pb2.ListGroupMembersResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup Request
-        name = client.group_path('[PROJECT]', '[GROUP]')
+        name = client.group_path("[PROJECT]", "[GROUP]")
 
         paged_list_response = client.list_group_members(name)
         resources = list(paged_list_response)
@@ -327,13 +320,13 @@ def test_list_group_members(self):
 
     def test_list_group_members_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.GroupServiceClient()
 
         # Setup request
-        name = client.group_path('[PROJECT]', '[GROUP]')
+        name = client.group_path("[PROJECT]", "[GROUP]")
 
         paged_list_response = client.list_group_members(name)
         with pytest.raises(CustomException):
diff --git a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_metric_service_client_v3.py b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_metric_service_client_v3.py
index 81237fffd741..f77d947b2d3a 100644
--- a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_metric_service_client_v3.py
+++ b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_metric_service_client_v3.py
@@ -56,10 +56,7 @@ def __init__(self, responses=[]):
         self.responses = responses
         self.requests = []
 
-    def unary_unary(self,
-                    method,
-                    request_serializer=None,
-                    response_deserializer=None):
+    def unary_unary(self, method, request_serializer=None, response_deserializer=None):
         return MultiCallableStub(method, self)
 
 
@@ -70,25 +67,26 @@ class CustomException(Exception):
 class TestMetricServiceClient(object):
     def test_list_monitored_resource_descriptors(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         resource_descriptors_element = {}
         resource_descriptors = [resource_descriptors_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'resource_descriptors': resource_descriptors
+            "next_page_token": next_page_token,
+            "resource_descriptors": resource_descriptors,
         }
         expected_response = metric_service_pb2.ListMonitoredResourceDescriptorsResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_monitored_resource_descriptors(name)
         resources = list(paged_list_response)
@@ -98,19 +96,20 @@ def test_list_monitored_resource_descriptors(self):
 
         assert len(channel.requests) == 1
         expected_request = metric_service_pb2.ListMonitoredResourceDescriptorsRequest(
-            name=name)
+            name=name
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_list_monitored_resource_descriptors_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_monitored_resource_descriptors(name)
         with pytest.raises(CustomException):
@@ -118,75 +117,80 @@ def test_list_monitored_resource_descriptors_exception(self):
 
     def test_get_monitored_resource_descriptor(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        type_ = 'type3575610'
-        display_name = 'displayName1615086568'
-        description = 'description-1724546052'
+        name_2 = "name2-1052831874"
+        type_ = "type3575610"
+        display_name = "displayName1615086568"
+        description = "description-1724546052"
         expected_response = {
-            'name': name_2,
-            'type': type_,
-            'display_name': display_name,
-            'description': description
+            "name": name_2,
+            "type": type_,
+            "display_name": display_name,
+            "description": description,
         }
         expected_response = monitored_resource_pb2.MonitoredResourceDescriptor(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup Request
         name = client.monitored_resource_descriptor_path(
-            '[PROJECT]', '[MONITORED_RESOURCE_DESCRIPTOR]')
+            "[PROJECT]", "[MONITORED_RESOURCE_DESCRIPTOR]"
+        )
 
         response = client.get_monitored_resource_descriptor(name)
         assert expected_response == response
 
         assert len(channel.requests) == 1
         expected_request = metric_service_pb2.GetMonitoredResourceDescriptorRequest(
-            name=name)
+            name=name
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_get_monitored_resource_descriptor_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup request
         name = client.monitored_resource_descriptor_path(
-            '[PROJECT]', '[MONITORED_RESOURCE_DESCRIPTOR]')
+            "[PROJECT]", "[MONITORED_RESOURCE_DESCRIPTOR]"
+        )
 
         with pytest.raises(CustomException):
             client.get_monitored_resource_descriptor(name)
 
     def test_list_metric_descriptors(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         metric_descriptors_element = {}
         metric_descriptors = [metric_descriptors_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'metric_descriptors': metric_descriptors
+            "next_page_token": next_page_token,
+            "metric_descriptors": metric_descriptors,
         }
         expected_response = metric_service_pb2.ListMetricDescriptorsResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_metric_descriptors(name)
         resources = list(paged_list_response)
@@ -195,20 +199,19 @@ def test_list_metric_descriptors(self):
         assert expected_response.metric_descriptors[0] == resources[0]
 
         assert len(channel.requests) == 1
-        expected_request = metric_service_pb2.ListMetricDescriptorsRequest(
-            name=name)
+        expected_request = metric_service_pb2.ListMetricDescriptorsRequest(name=name)
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_list_metric_descriptors_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_metric_descriptors(name)
         with pytest.raises(CustomException):
@@ -216,82 +219,77 @@ def test_list_metric_descriptors_exception(self):
 
     def test_get_metric_descriptor(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        type_ = 'type3575610'
-        unit = 'unit3594628'
-        description = 'description-1724546052'
-        display_name = 'displayName1615086568'
+        name_2 = "name2-1052831874"
+        type_ = "type3575610"
+        unit = "unit3594628"
+        description = "description-1724546052"
+        display_name = "displayName1615086568"
         expected_response = {
-            'name': name_2,
-            'type': type_,
-            'unit': unit,
-            'description': description,
-            'display_name': display_name
+            "name": name_2,
+            "type": type_,
+            "unit": unit,
+            "description": description,
+            "display_name": display_name,
         }
-        expected_response = api_metric_pb2.MetricDescriptor(
-            **expected_response)
+        expected_response = api_metric_pb2.MetricDescriptor(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup Request
-        name = client.metric_descriptor_path('[PROJECT]',
-                                             '[METRIC_DESCRIPTOR]')
+        name = client.metric_descriptor_path("[PROJECT]", "[METRIC_DESCRIPTOR]")
 
         response = client.get_metric_descriptor(name)
         assert expected_response == response
 
         assert len(channel.requests) == 1
-        expected_request = metric_service_pb2.GetMetricDescriptorRequest(
-            name=name)
+        expected_request = metric_service_pb2.GetMetricDescriptorRequest(name=name)
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_get_metric_descriptor_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup request
-        name = client.metric_descriptor_path('[PROJECT]',
-                                             '[METRIC_DESCRIPTOR]')
+        name = client.metric_descriptor_path("[PROJECT]", "[METRIC_DESCRIPTOR]")
 
         with pytest.raises(CustomException):
             client.get_metric_descriptor(name)
 
     def test_create_metric_descriptor(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        type_ = 'type3575610'
-        unit = 'unit3594628'
-        description = 'description-1724546052'
-        display_name = 'displayName1615086568'
+        name_2 = "name2-1052831874"
+        type_ = "type3575610"
+        unit = "unit3594628"
+        description = "description-1724546052"
+        display_name = "displayName1615086568"
         expected_response = {
-            'name': name_2,
-            'type': type_,
-            'unit': unit,
-            'description': description,
-            'display_name': display_name
+            "name": name_2,
+            "type": type_,
+            "unit": unit,
+            "description": description,
+            "display_name": display_name,
         }
-        expected_response = api_metric_pb2.MetricDescriptor(
-            **expected_response)
+        expected_response = api_metric_pb2.MetricDescriptor(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         metric_descriptor = {}
 
         response = client.create_metric_descriptor(name, metric_descriptor)
@@ -299,20 +297,21 @@ def test_create_metric_descriptor(self):
 
         assert len(channel.requests) == 1
         expected_request = metric_service_pb2.CreateMetricDescriptorRequest(
-            name=name, metric_descriptor=metric_descriptor)
+            name=name, metric_descriptor=metric_descriptor
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_create_metric_descriptor_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         metric_descriptor = {}
 
         with pytest.raises(CustomException):
@@ -320,65 +319,62 @@ def test_create_metric_descriptor_exception(self):
 
     def test_delete_metric_descriptor(self):
         channel = ChannelStub()
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup Request
-        name = client.metric_descriptor_path('[PROJECT]',
-                                             '[METRIC_DESCRIPTOR]')
+        name = client.metric_descriptor_path("[PROJECT]", "[METRIC_DESCRIPTOR]")
 
         client.delete_metric_descriptor(name)
 
         assert len(channel.requests) == 1
-        expected_request = metric_service_pb2.DeleteMetricDescriptorRequest(
-            name=name)
+        expected_request = metric_service_pb2.DeleteMetricDescriptorRequest(name=name)
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_delete_metric_descriptor_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup request
-        name = client.metric_descriptor_path('[PROJECT]',
-                                             '[METRIC_DESCRIPTOR]')
+        name = client.metric_descriptor_path("[PROJECT]", "[METRIC_DESCRIPTOR]")
 
         with pytest.raises(CustomException):
             client.delete_metric_descriptor(name)
 
     def test_list_time_series(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         time_series_element = {}
         time_series = [time_series_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'time_series': time_series
+            "next_page_token": next_page_token,
+            "time_series": time_series,
         }
         expected_response = metric_service_pb2.ListTimeSeriesResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
-        filter_ = 'filter-1274492040'
+        name = client.project_path("[PROJECT]")
+        filter_ = "filter-1274492040"
         interval = {}
         view = enums.ListTimeSeriesRequest.TimeSeriesView.FULL
 
-        paged_list_response = client.list_time_series(name, filter_, interval,
-                                                      view)
+        paged_list_response = client.list_time_series(name, filter_, interval, view)
         resources = list(paged_list_response)
         assert len(resources) == 1
 
@@ -386,57 +382,58 @@ def test_list_time_series(self):
 
         assert len(channel.requests) == 1
         expected_request = metric_service_pb2.ListTimeSeriesRequest(
-            name=name, filter=filter_, interval=interval, view=view)
+            name=name, filter=filter_, interval=interval, view=view
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_list_time_series_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
-        filter_ = 'filter-1274492040'
+        name = client.project_path("[PROJECT]")
+        filter_ = "filter-1274492040"
         interval = {}
         view = enums.ListTimeSeriesRequest.TimeSeriesView.FULL
 
-        paged_list_response = client.list_time_series(name, filter_, interval,
-                                                      view)
+        paged_list_response = client.list_time_series(name, filter_, interval, view)
         with pytest.raises(CustomException):
             list(paged_list_response)
 
     def test_create_time_series(self):
         channel = ChannelStub()
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         time_series = []
 
         client.create_time_series(name, time_series)
 
         assert len(channel.requests) == 1
         expected_request = metric_service_pb2.CreateTimeSeriesRequest(
-            name=name, time_series=time_series)
+            name=name, time_series=time_series
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_create_time_series_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.MetricServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         time_series = []
 
         with pytest.raises(CustomException):
diff --git a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_notification_channel_service_client_v3.py b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_notification_channel_service_client_v3.py
index 047f696e101c..b39c7850aad8 100644
--- a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_notification_channel_service_client_v3.py
+++ b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_notification_channel_service_client_v3.py
@@ -52,10 +52,7 @@ def __init__(self, responses=[]):
         self.responses = responses
         self.requests = []
 
-    def unary_unary(self,
-                    method,
-                    request_serializer=None,
-                    response_deserializer=None):
+    def unary_unary(self, method, request_serializer=None, response_deserializer=None):
         return MultiCallableStub(method, self)
 
 
@@ -66,28 +63,28 @@ class CustomException(Exception):
 class TestNotificationChannelServiceClient(object):
     def test_list_notification_channel_descriptors(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         channel_descriptors_element = {}
         channel_descriptors = [channel_descriptors_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'channel_descriptors': channel_descriptors
+            "next_page_token": next_page_token,
+            "channel_descriptors": channel_descriptors,
         }
         expected_response = notification_service_pb2.ListNotificationChannelDescriptorsResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
-        paged_list_response = client.list_notification_channel_descriptors(
-            name)
+        paged_list_response = client.list_notification_channel_descriptors(name)
         resources = list(paged_list_response)
         assert len(resources) == 1
 
@@ -95,96 +92,101 @@ def test_list_notification_channel_descriptors(self):
 
         assert len(channel.requests) == 1
         expected_request = notification_service_pb2.ListNotificationChannelDescriptorsRequest(
-            name=name)
+            name=name
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_list_notification_channel_descriptors_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
-        paged_list_response = client.list_notification_channel_descriptors(
-            name)
+        paged_list_response = client.list_notification_channel_descriptors(name)
         with pytest.raises(CustomException):
             list(paged_list_response)
 
     def test_get_notification_channel_descriptor(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        type_ = 'type3575610'
-        display_name = 'displayName1615086568'
-        description = 'description-1724546052'
+        name_2 = "name2-1052831874"
+        type_ = "type3575610"
+        display_name = "displayName1615086568"
+        description = "description-1724546052"
         expected_response = {
-            'name': name_2,
-            'type': type_,
-            'display_name': display_name,
-            'description': description
+            "name": name_2,
+            "type": type_,
+            "display_name": display_name,
+            "description": description,
         }
         expected_response = notification_pb2.NotificationChannelDescriptor(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup Request
         name = client.notification_channel_descriptor_path(
-            '[PROJECT]', '[CHANNEL_DESCRIPTOR]')
+            "[PROJECT]", "[CHANNEL_DESCRIPTOR]"
+        )
 
         response = client.get_notification_channel_descriptor(name)
         assert expected_response == response
 
         assert len(channel.requests) == 1
         expected_request = notification_service_pb2.GetNotificationChannelDescriptorRequest(
-            name=name)
+            name=name
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_get_notification_channel_descriptor_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup request
         name = client.notification_channel_descriptor_path(
-            '[PROJECT]', '[CHANNEL_DESCRIPTOR]')
+            "[PROJECT]", "[CHANNEL_DESCRIPTOR]"
+        )
 
         with pytest.raises(CustomException):
             client.get_notification_channel_descriptor(name)
 
     def test_list_notification_channels(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         notification_channels_element = {}
         notification_channels = [notification_channels_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'notification_channels': notification_channels
+            "next_page_token": next_page_token,
+            "notification_channels": notification_channels,
         }
         expected_response = notification_service_pb2.ListNotificationChannelsResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_notification_channels(name)
         resources = list(paged_list_response)
@@ -194,19 +196,20 @@ def test_list_notification_channels(self):
 
         assert len(channel.requests) == 1
         expected_request = notification_service_pb2.ListNotificationChannelsRequest(
-            name=name)
+            name=name
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_list_notification_channels_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_notification_channels(name)
         with pytest.raises(CustomException):
@@ -214,100 +217,97 @@ def test_list_notification_channels_exception(self):
 
     def test_get_notification_channel(self):
         # Setup Expected Response
-        type_ = 'type3575610'
-        name_2 = 'name2-1052831874'
-        display_name = 'displayName1615086568'
-        description = 'description-1724546052'
+        type_ = "type3575610"
+        name_2 = "name2-1052831874"
+        display_name = "displayName1615086568"
+        description = "description-1724546052"
         expected_response = {
-            'type': type_,
-            'name': name_2,
-            'display_name': display_name,
-            'description': description
+            "type": type_,
+            "name": name_2,
+            "display_name": display_name,
+            "description": description,
         }
-        expected_response = notification_pb2.NotificationChannel(
-            **expected_response)
+        expected_response = notification_pb2.NotificationChannel(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup Request
-        name = client.notification_channel_path('[PROJECT]',
-                                                '[NOTIFICATION_CHANNEL]')
+        name = client.notification_channel_path("[PROJECT]", "[NOTIFICATION_CHANNEL]")
 
         response = client.get_notification_channel(name)
         assert expected_response == response
 
         assert len(channel.requests) == 1
         expected_request = notification_service_pb2.GetNotificationChannelRequest(
-            name=name)
+            name=name
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_get_notification_channel_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup request
-        name = client.notification_channel_path('[PROJECT]',
-                                                '[NOTIFICATION_CHANNEL]')
+        name = client.notification_channel_path("[PROJECT]", "[NOTIFICATION_CHANNEL]")
 
         with pytest.raises(CustomException):
             client.get_notification_channel(name)
 
     def test_create_notification_channel(self):
         # Setup Expected Response
-        type_ = 'type3575610'
-        name_2 = 'name2-1052831874'
-        display_name = 'displayName1615086568'
-        description = 'description-1724546052'
+        type_ = "type3575610"
+        name_2 = "name2-1052831874"
+        display_name = "displayName1615086568"
+        description = "description-1724546052"
         expected_response = {
-            'type': type_,
-            'name': name_2,
-            'display_name': display_name,
-            'description': description
+            "type": type_,
+            "name": name_2,
+            "display_name": display_name,
+            "description": description,
         }
-        expected_response = notification_pb2.NotificationChannel(
-            **expected_response)
+        expected_response = notification_pb2.NotificationChannel(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup Request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         notification_channel = {}
 
-        response = client.create_notification_channel(name,
-                                                      notification_channel)
+        response = client.create_notification_channel(name, notification_channel)
         assert expected_response == response
 
         assert len(channel.requests) == 1
         expected_request = notification_service_pb2.CreateNotificationChannelRequest(
-            name=name, notification_channel=notification_channel)
+            name=name, notification_channel=notification_channel
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_create_notification_channel_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup request
-        name = client.project_path('[PROJECT]')
+        name = client.project_path("[PROJECT]")
         notification_channel = {}
 
         with pytest.raises(CustomException):
@@ -315,22 +315,21 @@ def test_create_notification_channel_exception(self):
 
     def test_update_notification_channel(self):
         # Setup Expected Response
-        type_ = 'type3575610'
-        name = 'name3373707'
-        display_name = 'displayName1615086568'
-        description = 'description-1724546052'
+        type_ = "type3575610"
+        name = "name3373707"
+        display_name = "displayName1615086568"
+        description = "description-1724546052"
         expected_response = {
-            'type': type_,
-            'name': name,
-            'display_name': display_name,
-            'description': description
+            "type": type_,
+            "name": name,
+            "display_name": display_name,
+            "description": description,
         }
-        expected_response = notification_pb2.NotificationChannel(
-            **expected_response)
+        expected_response = notification_pb2.NotificationChannel(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
@@ -343,14 +342,15 @@ def test_update_notification_channel(self):
 
         assert len(channel.requests) == 1
         expected_request = notification_service_pb2.UpdateNotificationChannelRequest(
-            notification_channel=notification_channel)
+            notification_channel=notification_channel
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_update_notification_channel_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
@@ -363,34 +363,33 @@ def test_update_notification_channel_exception(self):
 
     def test_delete_notification_channel(self):
         channel = ChannelStub()
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup Request
-        name = client.notification_channel_path('[PROJECT]',
-                                                '[NOTIFICATION_CHANNEL]')
+        name = client.notification_channel_path("[PROJECT]", "[NOTIFICATION_CHANNEL]")
 
         client.delete_notification_channel(name)
 
         assert len(channel.requests) == 1
         expected_request = notification_service_pb2.DeleteNotificationChannelRequest(
-            name=name)
+            name=name
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_delete_notification_channel_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.NotificationChannelServiceClient()
 
         # Setup request
-        name = client.notification_channel_path('[PROJECT]',
-                                                '[NOTIFICATION_CHANNEL]')
+        name = client.notification_channel_path("[PROJECT]", "[NOTIFICATION_CHANNEL]")
 
         with pytest.raises(CustomException):
             client.delete_notification_channel(name)
diff --git a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_uptime_check_service_client_v3.py b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_uptime_check_service_client_v3.py
index 95b87105ee7a..bd320c1b3216 100644
--- a/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_uptime_check_service_client_v3.py
+++ b/packages/google-cloud-monitoring/tests/unit/gapic/v3/test_uptime_check_service_client_v3.py
@@ -52,10 +52,7 @@ def __init__(self, responses=[]):
         self.responses = responses
         self.requests = []
 
-    def unary_unary(self,
-                    method,
-                    request_serializer=None,
-                    response_deserializer=None):
+    def unary_unary(self, method, request_serializer=None, response_deserializer=None):
         return MultiCallableStub(method, self)
 
 
@@ -66,27 +63,28 @@ class CustomException(Exception):
 class TestUptimeCheckServiceClient(object):
     def test_list_uptime_check_configs(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         total_size = 705419236
         uptime_check_configs_element = {}
         uptime_check_configs = [uptime_check_configs_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'total_size': total_size,
-            'uptime_check_configs': uptime_check_configs
+            "next_page_token": next_page_token,
+            "total_size": total_size,
+            "uptime_check_configs": uptime_check_configs,
         }
         expected_response = uptime_service_pb2.ListUptimeCheckConfigsResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
 
         # Setup Request
-        parent = client.project_path('[PROJECT]')
+        parent = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_uptime_check_configs(parent)
         resources = list(paged_list_response)
@@ -96,19 +94,20 @@ def test_list_uptime_check_configs(self):
 
         assert len(channel.requests) == 1
         expected_request = uptime_service_pb2.ListUptimeCheckConfigsRequest(
-            parent=parent)
+            parent=parent
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_list_uptime_check_configs_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
 
         # Setup request
-        parent = client.project_path('[PROJECT]')
+        parent = client.project_path("[PROJECT]")
 
         paged_list_response = client.list_uptime_check_configs(parent)
         with pytest.raises(CustomException):
@@ -116,94 +115,91 @@ def test_list_uptime_check_configs_exception(self):
 
     def test_get_uptime_check_config(self):
         # Setup Expected Response
-        name_2 = 'name2-1052831874'
-        display_name = 'displayName1615086568'
+        name_2 = "name2-1052831874"
+        display_name = "displayName1615086568"
         is_internal = True
         expected_response = {
-            'name': name_2,
-            'display_name': display_name,
-            'is_internal': is_internal
+            "name": name_2,
+            "display_name": display_name,
+            "is_internal": is_internal,
         }
         expected_response = uptime_pb2.UptimeCheckConfig(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
 
         # Setup Request
-        name = client.uptime_check_config_path('[PROJECT]',
-                                               '[UPTIME_CHECK_CONFIG]')
+        name = client.uptime_check_config_path("[PROJECT]", "[UPTIME_CHECK_CONFIG]")
 
         response = client.get_uptime_check_config(name)
         assert expected_response == response
 
         assert len(channel.requests) == 1
-        expected_request = uptime_service_pb2.GetUptimeCheckConfigRequest(
-            name=name)
+        expected_request = uptime_service_pb2.GetUptimeCheckConfigRequest(name=name)
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_get_uptime_check_config_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
 
         # Setup request
-        name = client.uptime_check_config_path('[PROJECT]',
-                                               '[UPTIME_CHECK_CONFIG]')
+        name = client.uptime_check_config_path("[PROJECT]", "[UPTIME_CHECK_CONFIG]")
 
         with pytest.raises(CustomException):
             client.get_uptime_check_config(name)
 
     def test_create_uptime_check_config(self):
         # Setup Expected Response
-        name = 'name3373707'
-        display_name = 'displayName1615086568'
+        name = "name3373707"
+        display_name = "displayName1615086568"
         is_internal = True
         expected_response = {
-            'name': name,
-            'display_name': display_name,
-            'is_internal': is_internal
+            "name": name,
+            "display_name": display_name,
+            "is_internal": is_internal,
         }
         expected_response = uptime_pb2.UptimeCheckConfig(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
 
         # Setup Request
-        parent = client.project_path('[PROJECT]')
+        parent = client.project_path("[PROJECT]")
         uptime_check_config = {}
 
-        response = client.create_uptime_check_config(parent,
-                                                     uptime_check_config)
+        response = client.create_uptime_check_config(parent, uptime_check_config)
         assert expected_response == response
 
         assert len(channel.requests) == 1
         expected_request = uptime_service_pb2.CreateUptimeCheckConfigRequest(
-            parent=parent, uptime_check_config=uptime_check_config)
+            parent=parent, uptime_check_config=uptime_check_config
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_create_uptime_check_config_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
 
         # Setup request
-        parent = client.project_path('[PROJECT]')
+        parent = client.project_path("[PROJECT]")
         uptime_check_config = {}
 
         with pytest.raises(CustomException):
@@ -211,19 +207,19 @@ def test_create_uptime_check_config_exception(self):
 
     def test_update_uptime_check_config(self):
         # Setup Expected Response
-        name = 'name3373707'
-        display_name = 'displayName1615086568'
+        name = "name3373707"
+        display_name = "displayName1615086568"
         is_internal = True
         expected_response = {
-            'name': name,
-            'display_name': display_name,
-            'is_internal': is_internal
+            "name": name,
+            "display_name": display_name,
+            "is_internal": is_internal,
         }
         expected_response = uptime_pb2.UptimeCheckConfig(**expected_response)
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
@@ -236,14 +232,15 @@ def test_update_uptime_check_config(self):
 
         assert len(channel.requests) == 1
         expected_request = uptime_service_pb2.UpdateUptimeCheckConfigRequest(
-            uptime_check_config=uptime_check_config)
+            uptime_check_config=uptime_check_config
+        )
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_update_uptime_check_config_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
@@ -256,53 +253,51 @@ def test_update_uptime_check_config_exception(self):
 
     def test_delete_uptime_check_config(self):
         channel = ChannelStub()
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
 
         # Setup Request
-        name = client.uptime_check_config_path('[PROJECT]',
-                                               '[UPTIME_CHECK_CONFIG]')
+        name = client.uptime_check_config_path("[PROJECT]", "[UPTIME_CHECK_CONFIG]")
 
         client.delete_uptime_check_config(name)
 
         assert len(channel.requests) == 1
-        expected_request = uptime_service_pb2.DeleteUptimeCheckConfigRequest(
-            name=name)
+        expected_request = uptime_service_pb2.DeleteUptimeCheckConfigRequest(name=name)
         actual_request = channel.requests[0][1]
         assert expected_request == actual_request
 
     def test_delete_uptime_check_config_exception(self):
         # Mock the API response
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
 
         # Setup request
-        name = client.uptime_check_config_path('[PROJECT]',
-                                               '[UPTIME_CHECK_CONFIG]')
+        name = client.uptime_check_config_path("[PROJECT]", "[UPTIME_CHECK_CONFIG]")
 
         with pytest.raises(CustomException):
             client.delete_uptime_check_config(name)
 
     def test_list_uptime_check_ips(self):
         # Setup Expected Response
-        next_page_token = ''
+        next_page_token = ""
         uptime_check_ips_element = {}
         uptime_check_ips = [uptime_check_ips_element]
         expected_response = {
-            'next_page_token': next_page_token,
-            'uptime_check_ips': uptime_check_ips
+            "next_page_token": next_page_token,
+            "uptime_check_ips": uptime_check_ips,
         }
         expected_response = uptime_service_pb2.ListUptimeCheckIpsResponse(
-            **expected_response)
+            **expected_response
+        )
 
         # Mock the API response
         channel = ChannelStub(responses=[expected_response])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
@@ -320,7 +315,7 @@ def test_list_uptime_check_ips(self):
 
     def test_list_uptime_check_ips_exception(self):
         channel = ChannelStub(responses=[CustomException()])
-        patch = mock.patch('google.api_core.grpc_helpers.create_channel')
+        patch = mock.patch("google.api_core.grpc_helpers.create_channel")
         with patch as create_channel:
             create_channel.return_value = channel
             client = monitoring_v3.UptimeCheckServiceClient()
diff --git a/packages/google-cloud-monitoring/tests/unit/test__dataframe.py b/packages/google-cloud-monitoring/tests/unit/test__dataframe.py
index 82ea346c62fc..5626dcaaffa1 100644
--- a/packages/google-cloud-monitoring/tests/unit/test__dataframe.py
+++ b/packages/google-cloud-monitoring/tests/unit/test__dataframe.py
@@ -22,29 +22,28 @@
 import unittest
 
 
-PROJECT = 'my-project'
+PROJECT = "my-project"
 
-INSTANCE_NAMES = ['instance-1', 'instance-2']
-INSTANCE_ZONES = ['us-east1-a', 'us-east1-b']
-INSTANCE_IDS = ['1234567890123456789', '9876543210987654321']
+INSTANCE_NAMES = ["instance-1", "instance-2"]
+INSTANCE_ZONES = ["us-east1-a", "us-east1-b"]
+INSTANCE_IDS = ["1234567890123456789", "9876543210987654321"]
 
-METRIC_TYPE = 'compute.googleapis.com/instance/cpu/utilization'
-METRIC_LABELS = list({'instance_name': name} for name in INSTANCE_NAMES)
+METRIC_TYPE = "compute.googleapis.com/instance/cpu/utilization"
+METRIC_LABELS = list({"instance_name": name} for name in INSTANCE_NAMES)
 
-RESOURCE_TYPE = 'gce_instance'
-RESOURCE_LABELS = list({
-    'project_id': PROJECT,
-    'zone': zone,
-    'instance_id': instance_id,
-} for zone, instance_id in zip(INSTANCE_ZONES, INSTANCE_IDS))
+RESOURCE_TYPE = "gce_instance"
+RESOURCE_LABELS = list(
+    {"project_id": PROJECT, "zone": zone, "instance_id": instance_id}
+    for zone, instance_id in zip(INSTANCE_ZONES, INSTANCE_IDS)
+)
 
-METRIC_KIND = 'GAUGE'
-VALUE_TYPE = 'DOUBLE'
+METRIC_KIND = "GAUGE"
+VALUE_TYPE = "DOUBLE"
 
 TIMESTAMPS = [
-    '2016-04-06T22:05:00.042Z',
-    '2016-04-06T22:05:01.042Z',
-    '2016-04-06T22:05:02.042Z',
+    "2016-04-06T22:05:00.042Z",
+    "2016-04-06T22:05:01.042Z",
+    "2016-04-06T22:05:02.042Z",
 ]
 
 DIMENSIONS = len(TIMESTAMPS), len(INSTANCE_NAMES)
@@ -55,9 +54,7 @@
 def parse_timestamps():
     from google.api_core import datetime_helpers
 
-    return [
-        datetime_helpers.from_rfc3339(t).replace(tzinfo=None)
-        for t in TIMESTAMPS]
+    return [datetime_helpers.from_rfc3339(t).replace(tzinfo=None) for t in TIMESTAMPS]
 
 
 def generate_query_results():
@@ -67,23 +64,24 @@ def P(timestamp, value):
         interval = types.TimeInterval()
         interval.start_time.FromJsonString(timestamp)
         interval.end_time.FromJsonString(timestamp)
-        return types.Point(interval=interval, value={'double_value': value})
+        return types.Point(interval=interval, value={"double_value": value})
 
     for metric_labels, resource_labels, value in zip(
-            METRIC_LABELS, RESOURCE_LABELS, VALUES):
+        METRIC_LABELS, RESOURCE_LABELS, VALUES
+    ):
         yield types.TimeSeries(
             metric=types.Metric(type=METRIC_TYPE, labels=metric_labels),
             resource=types.MonitoredResource(
-                type=RESOURCE_TYPE, labels=resource_labels),
+                type=RESOURCE_TYPE, labels=resource_labels
+            ),
             metric_kind=METRIC_KIND,
             value_type=VALUE_TYPE,
             points=[P(t, value) for t in TIMESTAMPS],
         )
 
 
-@unittest.skipUnless(HAVE_PANDAS, 'No pandas')
+@unittest.skipUnless(HAVE_PANDAS, "No pandas")
 class Test__build_dataframe(unittest.TestCase):
-
     def _call_fut(self, *args, **kwargs):
         from google.cloud.monitoring_v3._dataframe import _build_dataframe
 
@@ -91,7 +89,7 @@ def _call_fut(self, *args, **kwargs):
 
     def test_both_label_and_labels_illegal(self):
         with self.assertRaises(ValueError):
-            self._call_fut([], label='instance_name', labels=['zone'])
+            self._call_fut([], label="instance_name", labels=["zone"])
 
     def test_empty_labels_illegal(self):
         with self.assertRaises(ValueError):
@@ -99,13 +97,12 @@ def test_empty_labels_illegal(self):
 
     def test_simple_label(self):
         iterable = generate_query_results()
-        dataframe = self._call_fut(iterable, label='instance_name')
+        dataframe = self._call_fut(iterable, label="instance_name")
 
         self.assertEqual(dataframe.shape, DIMENSIONS)
         self.assertEqual(dataframe.values.tolist(), ARRAY)
 
-        expected_headers = [(instance_name,)
-                            for instance_name in INSTANCE_NAMES]
+        expected_headers = [(instance_name,) for instance_name in INSTANCE_NAMES]
         self.assertEqual(list(dataframe.columns), expected_headers)
         self.assertIsNone(dataframe.columns.name)
 
@@ -113,7 +110,7 @@ def test_simple_label(self):
         self.assertIsNone(dataframe.index.name)
 
     def test_multiple_labels(self):
-        NAMES = ['resource_type', 'instance_id']
+        NAMES = ["resource_type", "instance_id"]
 
         iterable = generate_query_results()
         dataframe = self._call_fut(iterable, labels=NAMES)
@@ -121,8 +118,9 @@ def test_multiple_labels(self):
         self.assertEqual(dataframe.shape, DIMENSIONS)
         self.assertEqual(dataframe.values.tolist(), ARRAY)
 
-        expected_headers = [(RESOURCE_TYPE, instance_id)
-                            for instance_id in INSTANCE_IDS]
+        expected_headers = [
+            (RESOURCE_TYPE, instance_id) for instance_id in INSTANCE_IDS
+        ]
         self.assertEqual(list(dataframe.columns), expected_headers)
         self.assertEqual(dataframe.columns.names, NAMES)
         self.assertIsNone(dataframe.columns.name)
@@ -131,7 +129,7 @@ def test_multiple_labels(self):
         self.assertIsNone(dataframe.index.name)
 
     def test_multiple_labels_with_just_one(self):
-        NAME = 'instance_id'
+        NAME = "instance_id"
         NAMES = [NAME]
 
         iterable = generate_query_results()
@@ -149,9 +147,7 @@ def test_multiple_labels_with_just_one(self):
         self.assertIsNone(dataframe.index.name)
 
     def test_smart_labels(self):
-        NAMES = ['resource_type', 'project_id',
-                 'zone', 'instance_id',
-                 'instance_name']
+        NAMES = ["resource_type", "project_id", "zone", "instance_id", "instance_name"]
 
         iterable = generate_query_results()
         dataframe = self._call_fut(iterable)
@@ -161,8 +157,10 @@ def test_smart_labels(self):
 
         expected_headers = [
             (RESOURCE_TYPE, PROJECT, zone, instance_id, instance_name)
-            for zone, instance_id, instance_name
-            in zip(INSTANCE_ZONES, INSTANCE_IDS, INSTANCE_NAMES)]
+            for zone, instance_id, instance_name in zip(
+                INSTANCE_ZONES, INSTANCE_IDS, INSTANCE_NAMES
+            )
+        ]
         self.assertEqual(list(dataframe.columns), expected_headers)
         self.assertEqual(dataframe.columns.names, NAMES)
         self.assertIsNone(dataframe.columns.name)
@@ -171,14 +169,14 @@ def test_smart_labels(self):
         self.assertIsNone(dataframe.index.name)
 
     def test_empty_table_simple_label(self):
-        dataframe = self._call_fut([], label='instance_name')
+        dataframe = self._call_fut([], label="instance_name")
         self.assertEqual(dataframe.shape, (0, 0))
         self.assertIsNone(dataframe.columns.name)
         self.assertIsNone(dataframe.index.name)
         self.assertIsInstance(dataframe.index, pandas.DatetimeIndex)
 
     def test_empty_table_multiple_labels(self):
-        NAMES = ['resource_type', 'instance_id']
+        NAMES = ["resource_type", "instance_id"]
         dataframe = self._call_fut([], labels=NAMES)
         self.assertEqual(dataframe.shape, (0, 0))
         self.assertEqual(dataframe.columns.names, NAMES)
@@ -187,7 +185,7 @@ def test_empty_table_multiple_labels(self):
         self.assertIsInstance(dataframe.index, pandas.DatetimeIndex)
 
     def test_empty_table_multiple_labels_with_just_one(self):
-        NAME = 'instance_id'
+        NAME = "instance_id"
         NAMES = [NAME]
         dataframe = self._call_fut([], labels=NAMES)
         self.assertEqual(dataframe.shape, (0, 0))
@@ -197,7 +195,7 @@ def test_empty_table_multiple_labels_with_just_one(self):
         self.assertIsInstance(dataframe.index, pandas.DatetimeIndex)
 
     def test_empty_table_smart_labels(self):
-        NAME = 'resource_type'
+        NAME = "resource_type"
         NAMES = [NAME]
         dataframe = self._call_fut([])
         self.assertEqual(dataframe.shape, (0, 0))
@@ -208,10 +206,8 @@ def test_empty_table_smart_labels(self):
 
 
 class Test__sorted_resource_labels(unittest.TestCase):
-
     def _call_fut(self, labels):
-        from google.cloud.monitoring_v3._dataframe import (
-            _sorted_resource_labels)
+        from google.cloud.monitoring_v3._dataframe import _sorted_resource_labels
 
         return _sorted_resource_labels(labels)
 
@@ -221,12 +217,12 @@ def test_empty(self):
     def test_sorted(self):
         from google.cloud.monitoring_v3._dataframe import TOP_RESOURCE_LABELS
 
-        EXPECTED = TOP_RESOURCE_LABELS + ('other-1', 'other-2')
+        EXPECTED = TOP_RESOURCE_LABELS + ("other-1", "other-2")
         self.assertSequenceEqual(self._call_fut(EXPECTED), EXPECTED)
 
     def test_reversed(self):
         from google.cloud.monitoring_v3._dataframe import TOP_RESOURCE_LABELS
 
-        EXPECTED = TOP_RESOURCE_LABELS + ('other-1', 'other-2')
+        EXPECTED = TOP_RESOURCE_LABELS + ("other-1", "other-2")
         INPUT = list(reversed(EXPECTED))
         self.assertSequenceEqual(self._call_fut(INPUT), EXPECTED)
diff --git a/packages/google-cloud-monitoring/tests/unit/test_query.py b/packages/google-cloud-monitoring/tests/unit/test_query.py
index 2b253976039f..20010ff60b37 100644
--- a/packages/google-cloud-monitoring/tests/unit/test_query.py
+++ b/packages/google-cloud-monitoring/tests/unit/test_query.py
@@ -18,26 +18,26 @@
 import unittest
 import mock
 
-PROJECT = 'my-project'
+PROJECT = "my-project"
 
-METRIC_TYPE = 'compute.googleapis.com/instance/uptime'
-METRIC_LABELS = {'instance_name': 'instance-1'}
-METRIC_LABELS2 = {'instance_name': 'instance-2'}
+METRIC_TYPE = "compute.googleapis.com/instance/uptime"
+METRIC_LABELS = {"instance_name": "instance-1"}
+METRIC_LABELS2 = {"instance_name": "instance-2"}
 
-RESOURCE_TYPE = 'gce_instance'
+RESOURCE_TYPE = "gce_instance"
 RESOURCE_LABELS = {
-    'project_id': 'my-project',
-    'zone': 'us-east1-a',
-    'instance_id': '1234567890123456789',
+    "project_id": "my-project",
+    "zone": "us-east1-a",
+    "instance_id": "1234567890123456789",
 }
 RESOURCE_LABELS2 = {
-    'project_id': 'my-project',
-    'zone': 'us-east1-b',
-    'instance_id': '9876543210987654321',
+    "project_id": "my-project",
+    "zone": "us-east1-b",
+    "instance_id": "9876543210987654321",
 }
 
-METRIC_KIND = 'DELTA'
-VALUE_TYPE = 'DOUBLE'
+METRIC_KIND = "DELTA"
+VALUE_TYPE = "DOUBLE"
 
 TS0 = datetime.datetime(2016, 4, 6, 22, 5, 0, 42)
 TS1 = datetime.datetime(2016, 4, 6, 22, 5, 1, 42)
@@ -78,15 +78,11 @@ def __init__(self, responses=[]):
         ]
         self.requests = []
 
-    def unary_unary(self,
-                    method,
-                    request_serializer=None,
-                    response_deserializer=None):
+    def unary_unary(self, method, request_serializer=None, response_deserializer=None):
         return MultiCallableStub(method, self)
 
 
 class TestQuery(unittest.TestCase):
-
     @staticmethod
     def _get_target_class():
         from google.cloud.monitoring_v3.query import Query
@@ -116,8 +112,9 @@ def test_constructor_minimal(self):
         query = self._make_one(client, PROJECT)
 
         self.assertEqual(query._client, client)
-        self.assertEqual(query._filter.metric_type,
-                         self._get_target_class().DEFAULT_METRIC_TYPE)
+        self.assertEqual(
+            query._filter.metric_type, self._get_target_class().DEFAULT_METRIC_TYPE
+        )
 
         self.assertIsNone(query._start_time)
         self.assertIsNone(query._end_time)
@@ -136,9 +133,15 @@ def test_constructor_maximal(self):
 
         channel = ChannelStub()
         client = MetricServiceClient(channel=channel)
-        query = self._make_one(client, PROJECT, METRIC_TYPE,
-                               end_time=T1,
-                               days=DAYS, hours=HOURS, minutes=MINUTES)
+        query = self._make_one(
+            client,
+            PROJECT,
+            METRIC_TYPE,
+            end_time=T1,
+            days=DAYS,
+            hours=HOURS,
+            minutes=MINUTES,
+        )
 
         self.assertEqual(query._client, client)
         self.assertEqual(query._filter.metric_type, METRIC_TYPE)
@@ -161,10 +164,8 @@ def test_constructor_default_end_time(self):
 
         channel = ChannelStub()
         client = MetricServiceClient(channel=channel)
-        with mock.patch('google.cloud.monitoring_v3.query._UTCNOW',
-                        new=lambda: NOW):
-            query = self._make_one(
-                client, PROJECT, METRIC_TYPE, minutes=MINUTES)
+        with mock.patch("google.cloud.monitoring_v3.query._UTCNOW", new=lambda: NOW):
+            query = self._make_one(client, PROJECT, METRIC_TYPE, minutes=MINUTES)
 
         self.assertEqual(query._start_time, T0)
         self.assertEqual(query._end_time, T1)
@@ -207,21 +208,20 @@ def test_filter(self):
     def test_filter_by_group(self):
         from google.cloud.monitoring_v3 import MetricServiceClient
 
-        GROUP = '1234567'
+        GROUP = "1234567"
         channel = ChannelStub()
         client = MetricServiceClient(channel=channel)
         query = self._make_one(client, PROJECT, METRIC_TYPE)
         query = query.select_group(GROUP)
-        expected = (
-            'metric.type = "{type}"'
-            ' AND group.id = "{group}"'
-        ).format(type=METRIC_TYPE, group=GROUP)
+        expected = ('metric.type = "{type}"' ' AND group.id = "{group}"').format(
+            type=METRIC_TYPE, group=GROUP
+        )
         self.assertEqual(query.filter, expected)
 
     def test_filter_by_projects(self):
         from google.cloud.monitoring_v3 import MetricServiceClient
 
-        PROJECT1, PROJECT2 = 'project-1', 'project-2'
+        PROJECT1, PROJECT2 = "project-1", "project-2"
         channel = ChannelStub()
         client = MetricServiceClient(channel=channel)
         query = self._make_one(client, PROJECT, METRIC_TYPE)
@@ -235,7 +235,7 @@ def test_filter_by_projects(self):
     def test_filter_by_resources(self):
         from google.cloud.monitoring_v3 import MetricServiceClient
 
-        ZONE_PREFIX = 'europe-'
+        ZONE_PREFIX = "europe-"
         channel = ChannelStub()
         client = MetricServiceClient(channel=channel)
         query = self._make_one(client, PROJECT, METRIC_TYPE)
@@ -249,14 +249,13 @@ def test_filter_by_resources(self):
     def test_filter_by_metrics(self):
         from google.cloud.monitoring_v3 import MetricServiceClient
 
-        INSTANCE = 'my-instance'
+        INSTANCE = "my-instance"
         channel = ChannelStub()
         client = MetricServiceClient(channel=channel)
         query = self._make_one(client, PROJECT, METRIC_TYPE)
         query = query.select_metrics(instance_name=INSTANCE)
         expected = (
-            'metric.type = "{type}"'
-            ' AND metric.label.instance_name = "{instance}"'
+            'metric.type = "{type}"' ' AND metric.label.instance_name = "{instance}"'
         ).format(type=METRIC_TYPE, instance=INSTANCE)
         self.assertEqual(query.filter, expected)
 
@@ -272,10 +271,10 @@ def test_request_parameters_minimal(self):
         query = query.select_interval(end_time=T1)
         actual = query._build_query_params()
         expected = {
-            'name': u'projects/{}'.format(PROJECT),
-            'filter_': 'metric.type = "{type}"'.format(type=METRIC_TYPE),
-            'interval': self._make_interval(T1),
-            'view': enums.ListTimeSeriesRequest.TimeSeriesView.FULL,
+            "name": u"projects/{}".format(PROJECT),
+            "filter_": 'metric.type = "{type}"'.format(type=METRIC_TYPE),
+            "interval": self._make_interval(T1),
+            "view": enums.ListTimeSeriesRequest.TimeSeriesView.FULL,
         }
         self.assertEqual(actual, expected)
 
@@ -287,11 +286,11 @@ def test_request_parameters_maximal(self):
         T0 = datetime.datetime(2016, 4, 7, 2, 0, 0)
         T1 = datetime.datetime(2016, 4, 7, 2, 30, 0)
 
-        ALIGNER = 'ALIGN_DELTA'
+        ALIGNER = "ALIGN_DELTA"
         MINUTES, SECONDS, PERIOD_IN_SECONDS = 1, 30, 90
 
-        REDUCER = 'REDUCE_MEAN'
-        FIELD1, FIELD2 = 'resource.zone', 'metric.instance_name'
+        REDUCER = "REDUCE_MEAN"
+        FIELD1, FIELD2 = "resource.zone", "metric.instance_name"
 
         PAGE_SIZE = 100
 
@@ -301,20 +300,19 @@ def test_request_parameters_maximal(self):
         query = query.select_interval(start_time=T0, end_time=T1)
         query = query.align(ALIGNER, minutes=MINUTES, seconds=SECONDS)
         query = query.reduce(REDUCER, FIELD1, FIELD2)
-        actual = query._build_query_params(headers_only=True,
-                                           page_size=PAGE_SIZE)
+        actual = query._build_query_params(headers_only=True, page_size=PAGE_SIZE)
         expected = {
-            'name': 'projects/%s' % PROJECT,
-            'filter_': 'metric.type = "{type}"'.format(type=METRIC_TYPE),
-            'interval': self._make_interval(T1, T0),
-            'aggregation': types.Aggregation(
+            "name": "projects/%s" % PROJECT,
+            "filter_": 'metric.type = "{type}"'.format(type=METRIC_TYPE),
+            "interval": self._make_interval(T1, T0),
+            "aggregation": types.Aggregation(
                 per_series_aligner=ALIGNER,
-                alignment_period={'seconds': PERIOD_IN_SECONDS},
+                alignment_period={"seconds": PERIOD_IN_SECONDS},
                 cross_series_reducer=REDUCER,
                 group_by_fields=[FIELD1, FIELD2],
             ),
-            'view': enums.ListTimeSeriesRequest.TimeSeriesView.HEADERS,
-            'page_size': PAGE_SIZE,
+            "view": enums.ListTimeSeriesRequest.TimeSeriesView.HEADERS,
+            "page_size": PAGE_SIZE,
         }
         self.assertEqual(actual, expected)
 
@@ -333,27 +331,27 @@ def test_iteration(self):
         VALUE2 = 60.001  # seconds
 
         SERIES1 = {
-            'metric': {'type': METRIC_TYPE, 'labels': METRIC_LABELS},
-            'resource': {'type': RESOURCE_TYPE, 'labels': RESOURCE_LABELS},
-            'metric_kind': METRIC_KIND,
-            'value_type': VALUE_TYPE,
-            'points': [
-                {'interval': INTERVAL2, 'value': {'double_value': VALUE1}},
-                {'interval': INTERVAL1, 'value': {'double_value': VALUE1}},
+            "metric": {"type": METRIC_TYPE, "labels": METRIC_LABELS},
+            "resource": {"type": RESOURCE_TYPE, "labels": RESOURCE_LABELS},
+            "metric_kind": METRIC_KIND,
+            "value_type": VALUE_TYPE,
+            "points": [
+                {"interval": INTERVAL2, "value": {"double_value": VALUE1}},
+                {"interval": INTERVAL1, "value": {"double_value": VALUE1}},
             ],
         }
         SERIES2 = {
-            'metric': {'type': METRIC_TYPE, 'labels': METRIC_LABELS2},
-            'resource': {'type': RESOURCE_TYPE, 'labels': RESOURCE_LABELS2},
-            'metric_kind': METRIC_KIND,
-            'value_type': VALUE_TYPE,
-            'points': [
-                {'interval': INTERVAL2, 'value': {'double_value': VALUE2}},
-                {'interval': INTERVAL1, 'value': {'double_value': VALUE2}},
+            "metric": {"type": METRIC_TYPE, "labels": METRIC_LABELS2},
+            "resource": {"type": RESOURCE_TYPE, "labels": RESOURCE_LABELS2},
+            "metric_kind": METRIC_KIND,
+            "value_type": VALUE_TYPE,
+            "points": [
+                {"interval": INTERVAL2, "value": {"double_value": VALUE2}},
+                {"interval": INTERVAL1, "value": {"double_value": VALUE2}},
             ],
         }
 
-        RESPONSE = {'time_series': [SERIES1, SERIES2], 'next_page_token': ''}
+        RESPONSE = {"time_series": [SERIES1, SERIES2], "next_page_token": ""}
 
         channel = ChannelStub(responses=[RESPONSE])
         client = MetricServiceClient(channel=channel)
@@ -369,20 +367,20 @@ def test_iteration(self):
         self.assertEqual(series1.resource.labels, RESOURCE_LABELS)
         self.assertEqual(series2.resource.labels, RESOURCE_LABELS2)
 
-        self.assertEqual([p.value.double_value for p in series1.points],
-                         [VALUE1, VALUE1])
-        self.assertEqual([p.value.double_value for p in series2.points],
-                         [VALUE2, VALUE2])
-        self.assertEqual([p.interval for p in series1.points],
-                         [INTERVAL2, INTERVAL1])
-        self.assertEqual([p.interval for p in series2.points],
-                         [INTERVAL2, INTERVAL1])
+        self.assertEqual(
+            [p.value.double_value for p in series1.points], [VALUE1, VALUE1]
+        )
+        self.assertEqual(
+            [p.value.double_value for p in series2.points], [VALUE2, VALUE2]
+        )
+        self.assertEqual([p.interval for p in series1.points], [INTERVAL2, INTERVAL1])
+        self.assertEqual([p.interval for p in series2.points], [INTERVAL2, INTERVAL1])
 
         expected_request = metric_service_pb2.ListTimeSeriesRequest(
-            name='projects/' + PROJECT,
+            name="projects/" + PROJECT,
             filter='metric.type = "{type}"'.format(type=METRIC_TYPE),
             interval=self._make_interval(T1, T0),
-            view=enums.ListTimeSeriesRequest.TimeSeriesView.FULL
+            view=enums.ListTimeSeriesRequest.TimeSeriesView.FULL,
         )
         request = channel.requests[0][1]
         self.assertEqual(request, expected_request)
@@ -395,7 +393,7 @@ def test_iteration_empty(self):
         T0 = datetime.datetime(2016, 4, 6, 22, 5, 0)
         T1 = datetime.datetime(2016, 4, 6, 22, 10, 0)
 
-        channel = ChannelStub(responses=[{'next_page_token': ''}])
+        channel = ChannelStub(responses=[{"next_page_token": ""}])
         client = MetricServiceClient(channel=channel)
         query = self._make_one(client, PROJECT, METRIC_TYPE)
         query = query.select_interval(start_time=T0, end_time=T1)
@@ -404,10 +402,10 @@ def test_iteration_empty(self):
         self.assertEqual(len(response), 0)
 
         expected_request = metric_service_pb2.ListTimeSeriesRequest(
-            name='projects/' + PROJECT,
+            name="projects/" + PROJECT,
             filter='metric.type = "{type}"'.format(type=METRIC_TYPE),
             interval=self._make_interval(T1, T0),
-            view=enums.ListTimeSeriesRequest.TimeSeriesView.FULL
+            view=enums.ListTimeSeriesRequest.TimeSeriesView.FULL,
         )
         request = channel.requests[0][1]
         self.assertEqual(request, expected_request)
@@ -421,19 +419,19 @@ def test_iteration_headers_only(self):
         T1 = datetime.datetime(2016, 4, 6, 22, 10, 0)
 
         SERIES1 = {
-            'metric': {'type': METRIC_TYPE, 'labels': METRIC_LABELS},
-            'resource': {'type': RESOURCE_TYPE, 'labels': RESOURCE_LABELS},
-            'metric_kind': METRIC_KIND,
-            'value_type': VALUE_TYPE,
+            "metric": {"type": METRIC_TYPE, "labels": METRIC_LABELS},
+            "resource": {"type": RESOURCE_TYPE, "labels": RESOURCE_LABELS},
+            "metric_kind": METRIC_KIND,
+            "value_type": VALUE_TYPE,
         }
         SERIES2 = {
-            'metric': {'type': METRIC_TYPE, 'labels': METRIC_LABELS2},
-            'resource': {'type': RESOURCE_TYPE, 'labels': RESOURCE_LABELS2},
-            'metric_kind': METRIC_KIND,
-            'value_type': VALUE_TYPE,
+            "metric": {"type": METRIC_TYPE, "labels": METRIC_LABELS2},
+            "resource": {"type": RESOURCE_TYPE, "labels": RESOURCE_LABELS2},
+            "metric_kind": METRIC_KIND,
+            "value_type": VALUE_TYPE,
         }
 
-        RESPONSE = {'time_series': [SERIES1, SERIES2], 'next_page_token': ''}
+        RESPONSE = {"time_series": [SERIES1, SERIES2], "next_page_token": ""}
 
         channel = ChannelStub(responses=[RESPONSE])
         client = MetricServiceClient(channel=channel)
@@ -453,17 +451,16 @@ def test_iteration_headers_only(self):
         self.assertFalse(len(series2.points))
 
         expected_request = metric_service_pb2.ListTimeSeriesRequest(
-            name='projects/' + PROJECT,
+            name="projects/" + PROJECT,
             filter='metric.type = "{type}"'.format(type=METRIC_TYPE),
             interval=self._make_interval(T1, T0),
-            view=enums.ListTimeSeriesRequest.TimeSeriesView.HEADERS
+            view=enums.ListTimeSeriesRequest.TimeSeriesView.HEADERS,
         )
         request = channel.requests[0][1]
         self.assertEqual(request, expected_request)
 
 
 class Test_Filter(unittest.TestCase):
-
     @staticmethod
     def _get_target_class():
         from google.cloud.monitoring_v3.query import _Filter
@@ -480,11 +477,10 @@ def test_minimal(self):
 
     def test_maximal(self):
         obj = self._make_one(METRIC_TYPE)
-        obj.group_id = '1234567'
-        obj.projects = 'project-1', 'project-2'
-        obj.select_resources(resource_type='some-resource',
-                             resource_label='foo')
-        obj.select_metrics(metric_label_prefix='bar-')
+        obj.group_id = "1234567"
+        obj.projects = "project-1", "project-2"
+        obj.select_resources(resource_type="some-resource", resource_label="foo")
+        obj.select_metrics(metric_label_prefix="bar-")
 
         expected = (
             'metric.type = "{type}"'
@@ -499,24 +495,20 @@ def test_maximal(self):
 
 
 class Test__build_label_filter(unittest.TestCase):
-
     def _call_fut(self, *args, **kwargs):
         from google.cloud.monitoring_v3.query import _build_label_filter
 
         return _build_label_filter(*args, **kwargs)
 
     def test_no_labels(self):
-        self.assertEqual(self._call_fut('resource'), '')
+        self.assertEqual(self._call_fut("resource"), "")
 
     def test_label_is_none(self):
-        self.assertEqual(self._call_fut('resource', foo=None), '')
+        self.assertEqual(self._call_fut("resource", foo=None), "")
 
     def test_metric_labels(self):
         actual = self._call_fut(
-            'metric',
-            alpha_prefix='a-',
-            beta_gamma_suffix='-b',
-            delta_epsilon='xyz',
+            "metric", alpha_prefix="a-", beta_gamma_suffix="-b", delta_epsilon="xyz"
         )
         expected = (
             'metric.label.alpha = starts_with("a-")'
@@ -527,32 +519,25 @@ def test_metric_labels(self):
 
     def test_metric_label_response_code_greater_less(self):
         actual = self._call_fut(
-            'metric',
-            response_code_greater=500,
-            response_code_less=600)
+            "metric", response_code_greater=500, response_code_less=600
+        )
         expected = (
-            'metric.label.response_code < 600'
-            ' AND metric.label.response_code > 500'
+            "metric.label.response_code < 600" " AND metric.label.response_code > 500"
         )
         self.assertEqual(actual, expected)
 
     def test_metric_label_response_code_greater_less_equal(self):
         actual = self._call_fut(
-            'metric',
-            response_code_greaterequal=500,
-            response_code_lessequal=600)
+            "metric", response_code_greaterequal=500, response_code_lessequal=600
+        )
         expected = (
-            'metric.label.response_code <= 600'
-            ' AND metric.label.response_code >= 500'
+            "metric.label.response_code <= 600" " AND metric.label.response_code >= 500"
         )
         self.assertEqual(actual, expected)
 
     def test_resource_labels(self):
         actual = self._call_fut(
-            'resource',
-            alpha_prefix='a-',
-            beta_gamma_suffix='-b',
-            delta_epsilon='xyz',
+            "resource", alpha_prefix="a-", beta_gamma_suffix="-b", delta_epsilon="xyz"
         )
         expected = (
             'resource.label.alpha = starts_with("a-")'
@@ -563,7 +548,7 @@ def test_resource_labels(self):
 
     def test_raw_label_filters(self):
         actual = self._call_fut(
-            'resource',
+            "resource",
             'resource.label.alpha = starts_with("a-")',
             'resource.label.beta_gamma = ends_with("-b")',
             'resource.label.delta_epsilon = "xyz"',
@@ -576,16 +561,16 @@ def test_raw_label_filters(self):
         self.assertEqual(actual, expected)
 
     def test_resource_type(self):
-        actual = self._call_fut('resource', resource_type='foo')
+        actual = self._call_fut("resource", resource_type="foo")
         expected = 'resource.type = "foo"'
         self.assertEqual(actual, expected)
 
     def test_resource_type_prefix(self):
-        actual = self._call_fut('resource', resource_type_prefix='foo-')
+        actual = self._call_fut("resource", resource_type_prefix="foo-")
         expected = 'resource.type = starts_with("foo-")'
         self.assertEqual(actual, expected)
 
     def test_resource_type_suffix(self):
-        actual = self._call_fut('resource', resource_type_suffix='-foo')
+        actual = self._call_fut("resource", resource_type_suffix="-foo")
         expected = 'resource.type = ends_with("-foo")'
         self.assertEqual(actual, expected)