diff --git a/tests/test_config.py b/tests/test_config.py
index f7ed670..966f93d 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -411,7 +411,9 @@ class ConfigTestCase(unittest.TestCase):
         self.assertEqual(2, fake_logger.addHandler.call_count)
         fake_logger.setLevel.assert_called_once_with("DEBUG")
         fake_logging.FileHandler.return_value.setLevel.assert_called_once_with("WARN")
-        fake_logging.StreamHandler.return_value.setLevel.assert_called_once_with("ERROR")
+        fake_logging.StreamHandler.return_value.setLevel.assert_called_once_with(
+            "ERROR"
+        )
 
 
 if __name__ == "__main__":