Fix import grouping

This is required for the follow-on H307 import grouping check.

Change-Id: I2581f192b20a2b05b49620ac9e80c9c6b3fefda1

hacking/tests/test_config.py

@@ -11,9 +11,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import fixtures
 import os
 
+import fixtures
+
 from hacking import config
 from hacking import tests
 

hacking/tests/test_doctest.py

@@ -18,11 +18,10 @@ import re
 
 from flake8 import engine
 import pep8
+import testscenarios
 from testtools import content
 from testtools import matchers
 
-import testscenarios
-
 import hacking
 import hacking.tests
 

hacking/tests/test_gittest.py

@@ -13,11 +13,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import inspect
+
 import fixtures
 
 import hacking.core
 import hacking.tests
-import inspect
 
 
 def _fake_none_commit_title(self):

hacking/tests/test_import_exceptions.py

@@ -11,9 +11,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import fixtures
 import os
 
+import fixtures
+
 from hacking import config
 from hacking import core
 from hacking import tests