make black (#4235)

src/oscar/apps/basket/views.py

         # if the SESSION_SERIALIZER has been configured to 'django.contrib.sessions.serializers.PickleSerializer'.
         # see: https://docs.djangoproject.com/en/3.2/topics/http/sessions/#cookie-session-backend
         serialized_data = JSONSerializer().dumps(self.request.POST)
-        self.request.session[
-            "add_to_basket_form_post_data_%s" % self.product.pk
-        ] = serialized_data.decode("latin-1")
+        self.request.session["add_to_basket_form_post_data_%s" % self.product.pk] = (
+            serialized_data.decode("latin-1")
+        )
 
         return redirect_to_referrer(self.request, "basket:summary")
 

src/oscar/apps/catalogue/abstract_models.py

 
 
 class MissingProductImage(object):
-
     """
     Mimics a Django file field by having a name property.
 

src/oscar/apps/dashboard/catalogue/views.py

 
 
 class ProductListView(PartnerProductFilterMixin, SingleTableView):
-
     """
     Dashboard view of the product list.
     Supports the permission-based dashboard.

src/oscar/apps/dashboard/orders/views.py

 
     def download_selected_orders(self, request, orders):
         response = HttpResponse(content_type="text/csv")
-        response[
-            "Content-Disposition"
-        ] = "attachment; filename=%s" % self.get_download_filename(request)
+        response["Content-Disposition"] = (
+            "attachment; filename=%s" % self.get_download_filename(request)
+        )
         writer = UnicodeCSVWriter(open_file=response)
 
         writer.writerow(self.CSV_COLUMNS.values())

tests/integration/core/test_loading.py

         replaced_app_idx = installed_apps.index(
             "tests._site.apps.catalogue.apps.CatalogueConfig"
         )
-        installed_apps[
-            replaced_app_idx
-        ] = "tests._site.import_error_app.catalogue.apps.CatalogueConfig"
+        installed_apps[replaced_app_idx] = (
+            "tests._site.import_error_app.catalogue.apps.CatalogueConfig"
+        )
         with override_settings(INSTALLED_APPS=installed_apps):
             with self.assertRaises(ImportError):
                 get_class("catalogue.import_error_module", "ImportErrorClass")
         replaced_app_idx = self.installed_apps.index(
             "oscar.apps.shipping.apps.ShippingConfig"
         )
-        self.installed_apps[
-            replaced_app_idx
-        ] = "tests._site.apps.shipping.apps.ShippingConfig"
+        self.installed_apps[replaced_app_idx] = (
+            "tests._site.apps.shipping.apps.ShippingConfig"
+        )
 
     def test_loading_class_defined_in_local_module(self):
         with override_settings(INSTALLED_APPS=self.installed_apps):
         replaced_app_idx = self.installed_apps.index(
             "oscar.apps.shipping.apps.ShippingConfig"
         )
-        self.installed_apps[
-            replaced_app_idx
-        ] = "tests._site.apps.shipping.apps.ShippingConfig"
+        self.installed_apps[replaced_app_idx] = (
+            "tests._site.apps.shipping.apps.ShippingConfig"
+        )
 
     def test_loading_class_defined_in_local_module(self):
         with override_settings(INSTALLED_APPS=self.installed_apps):