diff --git a/test/test_utils.py b/test/test_utils.py
index dc2d8ce12b5d..fd612ff86f91 100644
--- a/test/test_utils.py
+++ b/test/test_utils.py
@@ -2405,5 +2405,6 @@ def run_shell(args):
         assert run_shell(['echo', '^!']) == '"^!"\n'
         assert run_shell('echo "^!"') == '"^!"\n'
 
+
 if __name__ == '__main__':
     unittest.main()