1 files changed, 22 insertions, 14 deletions
diff --git a/tests/template_backends/test_utils.py b/tests/template_backends/test_utils.py
index d0bd01cdc2..15dbaae818 100644
--- a/tests/template_backends/test_utils.py
+++ b/tests/template_backends/test_utils.py
@@ -4,8 +4,7 @@ from django.test import SimpleTestCase, override_settings
 
 
 class TemplateUtilsTests(SimpleTestCase):
-
-    @override_settings(TEMPLATES=[{'BACKEND': 'raise.import.error'}])
+    @override_settings(TEMPLATES=[{"BACKEND": "raise.import.error"}])
     def test_backend_import_error(self):
         """
         Failing to import a backend keeps raising the original import error
@@ -16,28 +15,37 @@ class TemplateUtilsTests(SimpleTestCase):
         with self.assertRaisesMessage(ImportError, "No module named 'raise"):
             engines.all()
 
-    @override_settings(TEMPLATES=[{
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        # Incorrect: APP_DIRS and loaders are mutually incompatible.
-        'APP_DIRS': True,
-        'OPTIONS': {'loaders': []},
-    }])
+    @override_settings(
+        TEMPLATES=[
+            {
+                "BACKEND": "django.template.backends.django.DjangoTemplates",
+                # Incorrect: APP_DIRS and loaders are mutually incompatible.
+                "APP_DIRS": True,
+                "OPTIONS": {"loaders": []},
+            }
+        ]
+    )
     def test_backend_improperly_configured(self):
         """
         Failing to initialize a backend keeps raising the original exception
         (#24265).
         """
-        msg = 'app_dirs must not be set when loaders is defined.'
+        msg = "app_dirs must not be set when loaders is defined."
         with self.assertRaisesMessage(ImproperlyConfigured, msg):
             engines.all()
         with self.assertRaisesMessage(ImproperlyConfigured, msg):
             engines.all()
 
-    @override_settings(TEMPLATES=[{
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-    }, {
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-    }])
+    @override_settings(
+        TEMPLATES=[
+            {
+                "BACKEND": "django.template.backends.django.DjangoTemplates",
+            },
+            {
+                "BACKEND": "django.template.backends.django.DjangoTemplates",
+            },
+        ]
+    )
     def test_backend_names_must_be_unique(self):
         msg = (
             "Template engine aliases aren't unique, duplicates: django. Set "