Fix code style issues with Black

model_clone/admin.py

@@ -17,7 +17,9 @@ class CloneModelAdminMixin(object):
 
     def change_view(self, request, object_id, form_url="", extra_context=None):
         extra_context = extra_context or {}
-        extra_context["include_duplicate_object_link"] = self.include_duplicate_object_link
+        extra_context[
+            "include_duplicate_object_link"
+        ] = self.include_duplicate_object_link
         if self.include_duplicate_object_link:
             to_field = request.POST.get(TO_FIELD_VAR, request.GET.get(TO_FIELD_VAR))
             if to_field and not self.to_field_allowed(request, to_field):

model_clone/mixins/clone.py

@@ -206,7 +206,9 @@ def check(cls, **kwargs):
                     "Conflicting configuration.",
                     hint=(
                         'Please provide either "_clone_fields"'
-                        + ' or "_clone_excluded_fields" for model {}'.format(cls.__name__)
+                        + ' or "_clone_excluded_fields" for model {}'.format(
+                            cls.__name__
+                        )
                     ),
                     obj=cls,
                     id="{}.E002".format(ModelCloneConfig.name),
@@ -219,7 +221,9 @@ def check(cls, **kwargs):
                     "Conflicting configuration.",
                     hint=(
                         'Please provide either "_clone_m2m_fields"'
-                        + ' or "_clone_excluded_m2m_fields" for model {}'.format(cls.__name__)
+                        + ' or "_clone_excluded_m2m_fields" for model {}'.format(
+                            cls.__name__
+                        )
                     ),
                     obj=cls,
                     id="{}.E002".format(ModelCloneConfig.name),
@@ -239,7 +243,9 @@ def check(cls, **kwargs):
                         "Please provide either "
                         + '"_clone_m2o_or_o2m_fields"'
                         + " or "
-                        + '"_clone_excluded_m2o_or_o2m_fields" for {}'.format(cls.__name__)
+                        + '"_clone_excluded_m2o_or_o2m_fields" for {}'.format(
+                            cls.__name__
+                        )
                     ),
                     obj=cls,
                     id="{}.E002".format(ModelCloneConfig.name),
@@ -364,7 +370,9 @@ def make_clone(self, attrs=None, sub_clone=False):
         for field in one_to_one_fields:
             rel_object = getattr(self, field.related_name, None)
             if rel_object:
-                if hasattr(rel_object, "make_clone") and callable(rel_object.make_clone):
+                if hasattr(rel_object, "make_clone") and callable(
+                    rel_object.make_clone
+                ):
                     rel_object.make_clone(
                         attrs={field.remote_field.name: duplicate}, sub_clone=True
                     )
@@ -380,7 +388,9 @@ def make_clone(self, attrs=None, sub_clone=False):
             items = []
             for item in getattr(self, field.related_name).all():
                 try:
-                    item_clone = item.make_clone(attrs={field.remote_field.name: duplicate})
+                    item_clone = item.make_clone(
+                        attrs={field.remote_field.name: duplicate}
+                    )
                 except IntegrityError:
                     item_clone = item.make_clone(
                         attrs={field.remote_field.name: duplicate}, sub_clone=True

model_clone/tests/test_clone_mixin.py

@@ -60,7 +60,9 @@ def test_cloning_with_field_overridden(self):
 
     def test_cloning_using_auto_now_field_is_updated(self):
         name = "New Book"
-        instance = Book.objects.create(name=name, created_by=self.user1, slug=slugify(name))
+        instance = Book.objects.create(
+            name=name, created_by=self.user1, slug=slugify(name)
+        )
         new_name = "My New Book"
         clone = instance.make_clone(attrs={"name": new_name})
 
@@ -185,7 +187,9 @@ def test_cloning_unique_fields_is_valid(self):
             "{} {} {}".format(first_name, Author.UNIQUE_DUPLICATE_SUFFIX, 1),
         )
 
-    @patch("sample.models.Author.USE_UNIQUE_DUPLICATE_SUFFIX", new_callable=PropertyMock)
+    @patch(
+        "sample.models.Author.USE_UNIQUE_DUPLICATE_SUFFIX", new_callable=PropertyMock
+    )
     def test_cloning_unique_field_with_use_unique_duplicate_suffix_set_to_False(
         self,
         use_unique_duplicate_suffix_mock,

model_clone/tests/test_create_copy_of_instance.py

@@ -32,7 +32,9 @@ def test_cloning_unique_fk_field_without_a_fallback_value_is_invalid(self):
 
     def test_cloning_excluded_field_without_a_fallback_value_is_invalid(self):
         name = "New Library"
-        instance = Book.objects.create(name=name, created_by=self.user1, slug=slugify(name))
+        instance = Book.objects.create(
+            name=name, created_by=self.user1, slug=slugify(name)
+        )
 
         with self.assertRaises(IntegrityError):
             create_copy_of_instance(

model_clone/utils.py

@@ -73,7 +73,11 @@ def create_copy_of_instance(instance, exclude=(), save_new=True, attrs=None):
         f.name
         for f in instance._meta.fields
         if any(
-            [all([f.name not in defaults, f.attname not in defaults]), f.has_default(), f.null]
+            [
+                all([f.name not in defaults, f.attname not in defaults]),
+                f.has_default(),
+                f.null,
+            ]
         )
     ]
 
@@ -137,7 +141,9 @@ def generate_value(value, suffix, transform, max_length, max_attempts):
         yield get_value(value, suffix, transform, max_length, i)
 
     raise StopIteration(
-        "CloneError: max unique attempts for {} exceeded ({})".format(value, max_attempts)
+        "CloneError: max unique attempts for {} exceeded ({})".format(
+            value, max_attempts
+        )
     )