1 files changed, 4 insertions, 4 deletions
diff --git a/tests/backends/sqlite/test_features.py b/tests/backends/sqlite/test_features.py
index 9b74794408..50ccbbd3cc 100644
--- a/tests/backends/sqlite/test_features.py
+++ b/tests/backends/sqlite/test_features.py
@@ -4,14 +4,14 @@ from django.db import OperationalError, connection
 from django.test import TestCase
 
 
-@skipUnless(connection.vendor == 'sqlite', 'SQLite tests.')
+@skipUnless(connection.vendor == "sqlite", "SQLite tests.")
 class FeaturesTests(TestCase):
     def test_supports_json_field_operational_error(self):
-        if hasattr(connection.features, 'supports_json_field'):
+        if hasattr(connection.features, "supports_json_field"):
             del connection.features.supports_json_field
-        msg = 'unable to open database file'
+        msg = "unable to open database file"
         with mock.patch(
-            'django.db.backends.base.base.BaseDatabaseWrapper.cursor',
+            "django.db.backends.base.base.BaseDatabaseWrapper.cursor",
             side_effect=OperationalError(msg),
         ):
             with self.assertRaisesMessage(OperationalError, msg):