diff --git a/onadata/libs/tests/utils/test_viewer_tools.py b/onadata/libs/tests/utils/test_viewer_tools.py
index 888a20a492..d62ea28566 100644
--- a/onadata/libs/tests/utils/test_viewer_tools.py
+++ b/onadata/libs/tests/utils/test_viewer_tools.py
@@ -178,6 +178,7 @@ def test_create_attachments_zipfile_file_too_big(self, rpt_mock):
 
         self.assertTrue(rpt_mock.called)
         rpt_mock.assert_called_with(message[0], message[1])
+
     @override_settings(TESTING_MODE=False)
     def test_get_submissions_url(self):
         """Test get_submissions_url()."""