diff --git a/django/core/cache/__init__.py b/django/core/cache/__init__.py
index 721e24921cf..c362800dcc9 100644
--- a/django/core/cache/__init__.py
+++ b/django/core/cache/__init__.py
@@ -146,6 +146,7 @@ class DefaultCacheProxy(object):
 
 cache = DefaultCacheProxy()
 
+
 def close_caches(**kwargs):
     # Some caches -- python-memcached in particular -- need to do a cleanup at the
     # end of a request cycle. If not implemented in a particular backend
diff --git a/tests/cache/tests.py b/tests/cache/tests.py
index 5ca9a7d4db1..12e75e24b7c 100644
--- a/tests/cache/tests.py
+++ b/tests/cache/tests.py
@@ -1147,10 +1147,11 @@ class CustomCacheKeyValidationTests(TestCase):
 
 @override_settings(
     CACHES={
-            'default': {
-                'BACKEND': 'cache.closeable_cache.CacheClass',
-            }
-        },)
+        'default': {
+            'BACKEND': 'cache.closeable_cache.CacheClass',
+        }
+    }
+)
 class GetCacheTests(IgnorePendingDeprecationWarningsMixin, TestCase):
 
     def test_simple(self):