diff --git a/patrole_tempest_plugin/tests/unit/test_rbac_rule_validation.py b/patrole_tempest_plugin/tests/unit/test_rbac_rule_validation.py
index 2c7307e..b2edfb4 100644
--- a/patrole_tempest_plugin/tests/unit/test_rbac_rule_validation.py
+++ b/patrole_tempest_plugin/tests/unit/test_rbac_rule_validation.py
@@ -15,10 +15,9 @@
 from __future__ import absolute_import
 from unittest import mock
 
+import fixtures
 import functools
 from oslo_config import cfg
-
-import fixtures
 from tempest.lib import exceptions
 
 from patrole_tempest_plugin import rbac_exceptions