diff --git a/src/documents/tests/test_consumer.py b/src/documents/tests/test_consumer.py
index ae70d4bd5..09dd9bf24 100644
--- a/src/documents/tests/test_consumer.py
+++ b/src/documents/tests/test_consumer.py
@@ -341,7 +341,7 @@ class TestConsumer(DirectoriesMixin, TestCase):
 
         self._assert_first_last_send_progress()
 
-        self.assertEqual(document.created.tzinfo.zone, 'America/Chicago')
+        self.assertEqual(document.created.tzinfo.zone, "America/Chicago")
 
     @override_settings(PAPERLESS_FILENAME_FORMAT=None)
     def testDeleteMacFiles(self):