diff --git a/functional/test_remote_stack.py b/functional/test_remote_stack.py
index d9eec79..1b6f961 100644
--- a/functional/test_remote_stack.py
+++ b/functional/test_remote_stack.py
@@ -11,10 +11,11 @@
 #    under the License.
 
 import logging
+
+from heatclient import exc
 import six
 
 from heat_integrationtests.common import test
-from heatclient import exc
 
 LOG = logging.getLogger(__name__)