Use MaaS in system tests

Change-Id: Ibaa90ab8a5f290c2a076976243ec0d2511ce8295
diff --git a/tcp_tests/managers/envmanager_devops.py b/tcp_tests/managers/envmanager_devops.py
index 1e7f66c..d17c6bd 100644
--- a/tcp_tests/managers/envmanager_devops.py
+++ b/tcp_tests/managers/envmanager_devops.py
@@ -25,12 +25,12 @@
     AuthenticationException,
     BadAuthenticationType)
 
-from tcp_tests.helpers import env_config
-from tcp_tests.helpers import exceptions
-from tcp_tests.helpers import ext
-from tcp_tests import logger
 from tcp_tests import settings
 from tcp_tests import settings_oslo
+from tcp_tests.helpers import env_config
+from tcp_tests.helpers import ext
+from tcp_tests.helpers import exceptions
+from tcp_tests import logger
 
 LOG = logger.logger