fix import grouping

Change-Id: I2d5edc150c897333d6501abc6f0f6c3d8aa5a511
diff --git a/tempest/auth.py b/tempest/auth.py
index d7f9adb..687bc2e 100644
--- a/tempest/auth.py
+++ b/tempest/auth.py
@@ -20,9 +20,9 @@
 import re
 import urlparse
 
+from oslo_log import log as logging
 import six
 
-from oslo_log import log as logging
 from tempest.services.identity.v2.json import token_client as json_v2id
 from tempest.services.identity.v3.json import token_client as json_v3id
 
diff --git a/tempest/cmd/run_stress.py b/tempest/cmd/run_stress.py
index 2bed355..06b338d 100755
--- a/tempest/cmd/run_stress.py
+++ b/tempest/cmd/run_stress.py
@@ -24,9 +24,9 @@
     # unittest in python 2.6 does not contain loader, so uses unittest2
     from unittest2 import loader
 
+from oslo_log import log as logging
 from testtools import testsuite
 
-from oslo_log import log as logging
 from tempest.stress import driver
 
 LOG = logging.getLogger(__name__)