diff --git a/tests/amazon/aws/sensors/test_s3_sensors.py b/tests/amazon/aws/sensors/test_s3_sensors.py
index aabc7f67e..4dfae42d6 100644
--- a/tests/amazon/aws/sensors/test_s3_sensors.py
+++ b/tests/amazon/aws/sensors/test_s3_sensors.py
@@ -300,6 +300,7 @@ def test_init(self):
         assert isinstance(task, S3KeysUnchangedSensor)
         assert task.deferrable is True
 
+
 class TestS3KeySizeSensorAsync(unittest.TestCase):
     def test_deprecation_warnings_generated(self):
         with pytest.warns(expected_warning=DeprecationWarning):