Bgd 4401 merge from upstream 2121 (#8)

* ContentsHandler return 404 rather than raise exc (jupyter-server#1357) * Add more typings (jupyter-server#1356) * Publish 2.10.1 SHA256 hashes: jupyter_server-2.10.1-py3-none-any.whl: 20519e355d951fc5e1b6ac5952854fe7620d0cfb56588fa4efe362a758977ed3 jupyter_server-2.10.1.tar.gz: e6da2657a954a7879eed28cc08e0817b01ffd81d7eab8634660397b55f926472 * Bump to 2.11.0.dev0 * typo: ServerApp (jupyter-server#1361) * Support get file(notebook) md5 (jupyter-server#1363) * Update ruff and typings (jupyter-server#1365) * Update api docs with md5 param (jupyter-server#1364) * Publish 2.11.0 SHA256 hashes: jupyter_server-2.11.0-py3-none-any.whl: c9bd6e6d71dc5a2a25df167dc323422997f14682b008bfecb5d7920a55020ea7 jupyter_server-2.11.0.tar.gz: 78c97ec8049f9062f0151725bc8a1364dfed716646a66819095e0e8a24793eba * Bump to 2.12.0.dev0 * Change md5 to hash and hash_algorithm, fix incompatibility (jupyter-server#1367) Co-authored-by: Frédéric Collonval <fcollonval@gmail.com> * avoid unhandled error on some invalid paths (jupyter-server#1369) * Publish 2.11.1 SHA256 hashes: jupyter_server-2.11.1-py3-none-any.whl: 4b3a16e3ed16fd202588890f10b8ca589bd3e29405d128beb95935f059441373 jupyter_server-2.11.1.tar.gz: fe80bab96493acf5f7d6cd9a1575af8fbd253dc2591aa4d015131a1e03b5799a * Bump to 2.12.0.dev0 * Merge pull request from GHSA-h56g-gq9v-vc8r Co-authored-by: Steven Silvester <steven.silvester@ieee.org> * Publish 2.11.2 SHA256 hashes: jupyter_server-2.11.2-py3-none-any.whl: 0c548151b54bcb516ca466ec628f7f021545be137d01b5467877e87f6fff4374 jupyter_server-2.11.2.tar.gz: 0c99f9367b0f24141e527544522430176613f9249849be80504c6d2b955004bb * Bump to 2.12.0.dev0 * chore: update pre-commit hooks (jupyter-server#1370) Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Steven Silvester <steven.silvester@ieee.org> * Update for tornado 6.4 (jupyter-server#1372) * Support async Authorizers (jupyter-server#1373) * Publish 2.12.0 SHA256 hashes: jupyter_server-2.12.0-py3-none-any.whl: 3482912efa4387bb1edc23ba60531796aff3b6d6a6e93a5810f5719e2bdb48b7 jupyter_server-2.12.0.tar.gz: 9fa74ed3bb931cf33f42b3d9046e2788328ec9e6dcc59d48aa3e0910a491e3e4 * Bump to 2.13.0.dev0 * log extension import time at debug level unless it's actually slow (jupyter-server#1375) * Add support for async Authorizers (part 2) (jupyter-server#1374) * Publish 2.12.1 SHA256 hashes: jupyter_server-2.12.1-py3-none-any.whl: fd030dd7be1ca572e4598203f718df6630c12bd28a599d7f1791c4d7938e1010 jupyter_server-2.12.1.tar.gz: dc77b7dcc5fc0547acba2b2844f01798008667201eea27c6319ff9257d700a6d --------- Co-authored-by: Sam Bloomquist <bloomquist.sam@gmail.com> Co-authored-by: Steven Silvester <steven.silvester@ieee.org> Co-authored-by: blink1073 <blink1073@users.noreply.github.com> Co-authored-by: IITII <ccmejx@gmail.com> Co-authored-by: Zhongsheng Ji <9573586@qq.com> Co-authored-by: Frédéric Collonval <fcollonval@gmail.com> Co-authored-by: Min RK <benjaminrk@gmail.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Zachary Sailer <zsailer@apple.com> Co-authored-by: Zsailer <Zsailer@users.noreply.github.com>
spotinst · Dec 13, 2023 · 6bdde5b · 6bdde5b
1 parent 9579862
commit 6bdde5b
Show file tree

Hide file tree

Showing 96 changed files with 1,237 additions and 669 deletions.
diff --git a/.github/workflows/downstream.yml b/.github/workflows/downstream.yml
@@ -107,6 +107,23 @@ jobs:
           test_command: pip install pytest-jupyter[server] && pytest -vv -raXxs -W default --durations 10 --color=yes
           package_name: jupyter_server_terminals
 
+  jupytext:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Base Setup
+        uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
+
+      - name: Test jupytext
+        uses: jupyterlab/maintainer-tools/.github/actions/downstream-test@v1
+        with:
+          package_name: jupytext
+          test_command: pip install pytest-jupyter[server] gitpython pre-commit && python -m ipykernel install --name jupytext-dev --user && pytest -vv -raXxs -W default --durations 10 --color=yes --ignore=tests/test_doc_files_are_notebooks.py --ignore=tests/test_changelog.py
+
   downstream_check: # This job does nothing and is only used for the branch protection
     if: always()
     needs:
@@ -115,6 +132,7 @@ jobs:
       - jupyterlab_server
       - notebook
       - nbclassic
+      - jupytext
     runs-on: ubuntu-latest
     steps:
       - name: Decide whether the needed jobs succeeded or failed

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -21,7 +21,7 @@ repos:
       - id: trailing-whitespace
 
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.27.1
+    rev: 0.27.2
     hooks:
       - id: check-github-workflows
 
@@ -33,7 +33,7 @@ repos:
           [mdformat-gfm, mdformat-frontmatter, mdformat-footnote]
 
   - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: "v3.0.3"
+    rev: "v3.1.0"
     hooks:
       - id: prettier
         types_or: [yaml, html, json]
@@ -58,7 +58,7 @@ repos:
       - id: rst-inline-touching-normal
 
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: "v1.6.1"
+    rev: "v1.7.1"
     hooks:
       - id: mypy
         files: jupyter_server
@@ -67,7 +67,7 @@ repos:
           ["traitlets>=5.13", "jupyter_core>=5.5", "jupyter_client>=8.5"]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.1.5
+    rev: v0.1.6
     hooks:
       - id: ruff
         types_or: [python, jupyter]
@@ -76,7 +76,7 @@ repos:
         types_or: [python, jupyter]
 
   - repo: https://github.com/scientific-python/cookie
-    rev: "2023.10.27"
+    rev: "2023.11.17"
     hooks:
       - id: sp-repo-review
         additional_dependencies: ["repo-review[cli]"]
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,108 @@ All notable changes to this project will be documented in this file.
 
 <!-- <START NEW CHANGELOG ENTRY> -->
 
+## 2.12.1
+
+([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v2.12.0...a59beb9b7bf3decc00af782821561435f47bbb16))
+
+### Enhancements made
+
+- log extension import time at debug level unless it's actually slow [#1375](https://github.com/jupyter-server/jupyter_server/pull/1375) ([@minrk](https://github.com/minrk))
+- Add support for async Authorizers (part 2) [#1374](https://github.com/jupyter-server/jupyter_server/pull/1374) ([@Zsailer](https://github.com/Zsailer))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2023-12-05&to=2023-12-06&type=c))
+
+[@minrk](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Aminrk+updated%3A2023-12-05..2023-12-06&type=Issues) | [@Zsailer](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3AZsailer+updated%3A2023-12-05..2023-12-06&type=Issues)
+
+<!-- <END NEW CHANGELOG ENTRY> -->
+
+## 2.12.0
+
+([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v2.11.2...3bd347b6f2ead5897a18c6171db1174eaaf6176d))
+
+### Enhancements made
+
+- Support async Authorizers [#1373](https://github.com/jupyter-server/jupyter_server/pull/1373) ([@Zsailer](https://github.com/Zsailer))
+
+### Maintenance and upkeep improvements
+
+- Update for tornado 6.4 [#1372](https://github.com/jupyter-server/jupyter_server/pull/1372) ([@blink1073](https://github.com/blink1073))
+- chore: update pre-commit hooks [#1370](https://github.com/jupyter-server/jupyter_server/pull/1370) ([@pre-commit-ci](https://github.com/pre-commit-ci))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2023-12-04&to=2023-12-05&type=c))
+
+[@blink1073](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Ablink1073+updated%3A2023-12-04..2023-12-05&type=Issues) | [@pre-commit-ci](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Apre-commit-ci+updated%3A2023-12-04..2023-12-05&type=Issues) | [@Zsailer](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3AZsailer+updated%3A2023-12-04..2023-12-05&type=Issues)
+
+## 2.11.2
+
+([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v2.11.1))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2023-11-27&to=2023-12-04&type=c))
+
+## 2.11.1
+
+([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v2.11.0...40a95e5f39d3f167bebf9232da9fab64818ba97d))
+
+### Bugs fixed
+
+- avoid unhandled error on some invalid paths [#1369](https://github.com/jupyter-server/jupyter_server/pull/1369) ([@minrk](https://github.com/minrk))
+- Change md5 to hash and hash_algorithm, fix incompatibility [#1367](https://github.com/jupyter-server/jupyter_server/pull/1367) ([@Wh1isper](https://github.com/Wh1isper))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2023-11-21&to=2023-11-27&type=c))
+
+[@blink1073](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Ablink1073+updated%3A2023-11-21..2023-11-27&type=Issues) | [@fcollonval](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Afcollonval+updated%3A2023-11-21..2023-11-27&type=Issues) | [@minrk](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Aminrk+updated%3A2023-11-21..2023-11-27&type=Issues) | [@Wh1isper](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3AWh1isper+updated%3A2023-11-21..2023-11-27&type=Issues)
+
+## 2.11.0
+
+([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v2.10.1...e7c0f331d4cbf82eb1a9e9bc6c260faabda0255a))
+
+### Enhancements made
+
+- Support get file(notebook) md5 [#1363](https://github.com/jupyter-server/jupyter_server/pull/1363) ([@Wh1isper](https://github.com/Wh1isper))
+
+### Maintenance and upkeep improvements
+
+- Update ruff and typings [#1365](https://github.com/jupyter-server/jupyter_server/pull/1365) ([@blink1073](https://github.com/blink1073))
+
+### Documentation improvements
+
+- Update api docs with md5 param [#1364](https://github.com/jupyter-server/jupyter_server/pull/1364) ([@Wh1isper](https://github.com/Wh1isper))
+- typo: ServerApp [#1361](https://github.com/jupyter-server/jupyter_server/pull/1361) ([@IITII](https://github.com/IITII))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2023-11-15&to=2023-11-21&type=c))
+
+[@blink1073](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Ablink1073+updated%3A2023-11-15..2023-11-21&type=Issues) | [@IITII](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3AIITII+updated%3A2023-11-15..2023-11-21&type=Issues) | [@welcome](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Awelcome+updated%3A2023-11-15..2023-11-21&type=Issues) | [@Wh1isper](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3AWh1isper+updated%3A2023-11-15..2023-11-21&type=Issues)
+
+## 2.10.1
+
+([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v2.10.0...9f8ff2886903a6744c5eb483f9e5bd7e63d5d015))
+
+### Bugs fixed
+
+- ContentsHandler return 404 rather than raise exc [#1357](https://github.com/jupyter-server/jupyter_server/pull/1357) ([@bloomsa](https://github.com/bloomsa))
+
+### Maintenance and upkeep improvements
+
+- Clean up ruff config [#1358](https://github.com/jupyter-server/jupyter_server/pull/1358) ([@blink1073](https://github.com/blink1073))
+- Add more typings [#1356](https://github.com/jupyter-server/jupyter_server/pull/1356) ([@blink1073](https://github.com/blink1073))
+- chore: update pre-commit hooks [#1355](https://github.com/jupyter-server/jupyter_server/pull/1355) ([@pre-commit-ci](https://github.com/pre-commit-ci))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter-server/jupyter_server/graphs/contributors?from=2023-11-06&to=2023-11-15&type=c))
+
+[@blink1073](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Ablink1073+updated%3A2023-11-06..2023-11-15&type=Issues) | [@bloomsa](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Abloomsa+updated%3A2023-11-06..2023-11-15&type=Issues) | [@pre-commit-ci](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Apre-commit-ci+updated%3A2023-11-06..2023-11-15&type=Issues)
+
 ## 2.10.0
 
 ([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v2.9.1...e71e95884483c7ce2d9fd5ee83059a0269741aa1))
@@ -25,8 +127,6 @@ All notable changes to this project will be documented in this file.
 
 [@blink1073](https://github.com/search?q=repo%3Ajupyter-server%2Fjupyter_server+involves%3Ablink1073+updated%3A2023-10-25..2023-11-06&type=Issues)
 
-<!-- <END NEW CHANGELOG ENTRY> -->
-
 ## 2.9.1
 
 ([Full Changelog](https://github.com/jupyter-server/jupyter_server/compare/v2.9.0...bb293ec5cac5b277259f27e458da60fa8a926f46))

diff --git a/docs/source/conf.py b/docs/source/conf.py
@@ -1,5 +1,3 @@
-#!/usr/bin/env python3
-#
 # Jupyter Server documentation build configuration file, created by
 # sphinx-quickstart on Mon Apr 13 09:51:11 2015.
 #
@@ -44,7 +42,7 @@
 ]
 
 try:
-    import enchant  # type:ignore[import-not-found]  # noqa
+    import enchant  # type:ignore[import-not-found]
 
     extensions += ["sphinxcontrib.spelling"]
 except ImportError:
@@ -338,7 +336,7 @@
 spelling_word_list_filename = "spelling_wordlist.txt"
 
 # import before any doc is built, so _ is guaranteed to be injected
-import jupyter_server.transutils  # noqa: F401
+import jupyter_server.transutils
 
 CONFIG_HEADER = """\
 .. _other-full-config:

diff --git a/docs/source/developers/architecture.rst b/docs/source/developers/architecture.rst
@@ -28,7 +28,7 @@ Jupyter Server contains the following components:
 
 - **Config Manager** initializes configuration for the ServerApp. You can define
   custom classes for the Jupyter Server managers using this config and change
-  SererApp settings. Follow :ref:`the Config File Guide <other-full-config>` to
+  ServerApp settings. Follow :ref:`the Config File Guide <other-full-config>` to
   learn about configuration settings and how to build custom config.
 
 - **Custom Extensions** allow you to create the custom Server's REST API endpoints.

diff --git a/docs/source/developers/contents.rst b/docs/source/developers/contents.rst
@@ -33,36 +33,48 @@ which we refer to as **models**.
 
 Models may contain the following entries:
 
-+--------------------+-----------+------------------------------+
-| Key                | Type      |Info                          |
-+====================+===========+==============================+
-|**name**            |unicode    |Basename of the entity.       |
-+--------------------+-----------+------------------------------+
-|**path**            |unicode    |Full                          |
-|                    |           |(:ref:`API-style<apipaths>`)  |
-|                    |           |path to the entity.           |
-+--------------------+-----------+------------------------------+
-|**type**            |unicode    |The entity type. One of       |
-|                    |           |``"notebook"``, ``"file"`` or |
-|                    |           |``"directory"``.              |
-+--------------------+-----------+------------------------------+
-|**created**         |datetime   |Creation date of the entity.  |
-+--------------------+-----------+------------------------------+
-|**last_modified**   |datetime   |Last modified date of the     |
-|                    |           |entity.                       |
-+--------------------+-----------+------------------------------+
-|**content**         |variable   |The "content" of the entity.  |
-|                    |           |(:ref:`See                    |
-|                    |           |Below<modelcontent>`)         |
-+--------------------+-----------+------------------------------+
-|**mimetype**        |unicode or |The mimetype of ``content``,  |
-|                    |``None``   |if any.  (:ref:`See           |
-|                    |           |Below<modelcontent>`)         |
-+--------------------+-----------+------------------------------+
-|**format**          |unicode or |The format of ``content``,    |
-|                    |``None``   |if any. (:ref:`See            |
-|                    |           |Below<modelcontent>`)         |
-+--------------------+-----------+------------------------------+
++--------------------+------------+-------------------------------+
+|        Key         |    Type    |             Info              |
++====================+============+===============================+
+| **name**           | unicode    | Basename of the entity.       |
++--------------------+------------+-------------------------------+
+| **path**           | unicode    | Full                          |
+|                    |            | (:ref:`API-style<apipaths>`)  |
+|                    |            | path to the entity.           |
++--------------------+------------+-------------------------------+
+| **type**           | unicode    | The entity type. One of       |
+|                    |            | ``"notebook"``, ``"file"`` or |
+|                    |            | ``"directory"``.              |
++--------------------+------------+-------------------------------+
+| **created**        | datetime   | Creation date of the entity.  |
++--------------------+------------+-------------------------------+
+| **last_modified**  | datetime   | Last modified date of the     |
+|                    |            | entity.                       |
++--------------------+------------+-------------------------------+
+| **content**        | variable   | The "content" of the entity.  |
+|                    |            | (:ref:`See                    |
+|                    |            | Below<modelcontent>`)         |
++--------------------+------------+-------------------------------+
+| **mimetype**       | unicode or | The mimetype of ``content``,  |
+|                    | ``None``   | if any.  (:ref:`See           |
+|                    |            | Below<modelcontent>`)         |
++--------------------+------------+-------------------------------+
+| **format**         | unicode or | The format of ``content``,    |
+|                    | ``None``   | if any. (:ref:`See            |
+|                    |            | Below<modelcontent>`)         |
++--------------------+------------+-------------------------------+
+| [optional]         |            |                               |
+| **hash**           | unicode or | The hash of the contents.     |
+|                    | ``None``   | It cannot be null if          |
+|                    |            | ``hash_algorithm`` is         |
+|                    |            | defined.                      |
++--------------------+------------+-------------------------------+
+| [optional]         |            |                               |
+| **hash_algorithm** | unicode or | The algorithm used to compute |
+|                    | ``None``   | hash value.                   |
+|                    |            | It cannot be null             |
+|                    |            | if ``hash`` is defined.       |
++--------------------+------------+-------------------------------+
 
 .. _modelcontent:
 
@@ -76,6 +88,9 @@ model. There are three model types: **notebook**, **file**, and **directory**.
       :class:`nbformat.notebooknode.NotebookNode` representing the .ipynb file
       represented by the model.  See the `NBFormat`_ documentation for a full
       description.
+    - The ``hash`` field a hexdigest string of the hash value of the file.
+      If ``ContentManager.get`` not support hash, it should always be ``None``.
+    - ``hash_algorithm`` is the algorithm used to compute the hash value.
 
 - ``file`` models
     - The ``format`` field is either ``"text"`` or ``"base64"``.
@@ -85,12 +100,16 @@ model. There are three model types: **notebook**, **file**, and **directory**.
       file models, ``content`` simply contains the file's bytes after decoding
       as UTF-8.  Non-text (``base64``) files are read as bytes, base64 encoded,
       and then decoded as UTF-8.
+    - The ``hash`` field a hexdigest string of the hash value of the file.
+      If ``ContentManager.get`` not support hash, it should always be ``None``.
+    - ``hash_algorithm`` is the algorithm used to compute the hash value.
 
 - ``directory`` models
     - The ``format`` field is always ``"json"``.
     - The ``mimetype`` field is always ``None``.
     - The ``content`` field contains a list of :ref:`content-free<contentfree>`
       models representing the entities in the directory.
+    - The ``hash`` field is always ``None``.
 
 .. note::
 
@@ -107,7 +126,7 @@ model. There are three model types: **notebook**, **file**, and **directory**.
 
 .. code-block:: python
 
-    # Notebook Model with Content
+    # Notebook Model with Content and Hash
     {
         "content": {
             "metadata": {},
@@ -129,6 +148,8 @@ model. There are three model types: **notebook**, **file**, and **directory**.
         "path": "foo/a.ipynb",
         "type": "notebook",
         "writable": True,
+        "hash": "f5e43a0b1c2e7836ab3b4d6b1c35c19e2558688de15a6a14e137a59e4715d34b",
+        "hash_algorithm": "sha256",
     }
 
     # Notebook Model without Content

diff --git a/examples/simple/simple_ext1/application.py b/examples/simple/simple_ext1/application.py
@@ -36,11 +36,11 @@ class SimpleApp1(ExtensionAppJinjaMixin, ExtensionApp):
     # Local path to templates directory.
     template_paths = [DEFAULT_TEMPLATE_FILES_PATH]  # type:ignore[assignment]
 
-    configA = Unicode("", config=True, help="Config A example.")  # noqa
+    configA = Unicode("", config=True, help="Config A example.")
 
-    configB = Unicode("", config=True, help="Config B example.")  # noqa
+    configB = Unicode("", config=True, help="Config B example.")
 
-    configC = Unicode("", config=True, help="Config C example.")  # noqa
+    configC = Unicode("", config=True, help="Config C example.")
 
     def initialize_handlers(self):
         """Initialize handlers."""

diff --git a/examples/simple/simple_ext1/handlers.py b/examples/simple/simple_ext1/handlers.py
@@ -47,8 +47,6 @@ def get(self, matched_part=None, *args, **kwargs):
 class BaseTemplateHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHandler):
     """The base template handler."""
 
-    pass
-
 
 class TypescriptHandler(BaseTemplateHandler):
     """A typescript handler."""

diff --git a/examples/simple/simple_ext2/application.py b/examples/simple/simple_ext2/application.py
@@ -29,7 +29,7 @@ class SimpleApp2(ExtensionAppJinjaMixin, ExtensionApp):
     # Local path to templates directory.
     template_paths = [DEFAULT_TEMPLATE_FILES_PATH]  # type:ignore[assignment]
 
-    configD = Unicode("", config=True, help="Config D example.")  # noqa
+    configD = Unicode("", config=True, help="Config D example.")
 
     def initialize_handlers(self):
         """Initialize handlers."""

diff --git a/examples/simple/simple_ext2/handlers.py b/examples/simple/simple_ext2/handlers.py
@@ -20,8 +20,6 @@ def get(self, matched_part=None, *args, **kwargs):
 class BaseTemplateHandler(ExtensionHandlerJinjaMixin, ExtensionHandlerMixin, JupyterHandler):
     """A base template handler."""
 
-    pass
-
 
 class IndexHandler(BaseTemplateHandler):
     """The root API handler."""