Enable E251,E265 rules ignore H402

After bumping the hacking version to the 0.9.x series ignores were
added for several rules. This commit fixes the violations for a subset
of these rules and re-enables the checks.

Change-Id: If2445c395d481f3c5f6426a471da4ec8afb553f0
diff --git a/tempest/api/volume/test_volumes_get.py b/tempest/api/volume/test_volumes_get.py
index 58da440..2745b95 100644
--- a/tempest/api/volume/test_volumes_get.py
+++ b/tempest/api/volume/test_volumes_get.py
@@ -39,7 +39,7 @@
     def _is_true(self, val):
         # NOTE(jdg): Temporary conversion method to get cinder patch
         # merged.  Then we'll make this strict again and
-        #specifically check "true" or "false"
+        # specifically check "true" or "false"
         if val in ['true', 'True', True]:
             return True
         else:
@@ -121,19 +121,19 @@
         new_volume = {}
         new_v_desc = data_utils.rand_name('@#$%^* description')
         resp, new_volume = \
-            self.client.create_volume(size=1,
-                                      display_description=new_v_desc,
-                                      availability_zone=
-                                      volume['availability_zone'])
+            self.client.create_volume(
+                size=1,
+                display_description=new_v_desc,
+                availability_zone=volume['availability_zone'])
         self.assertEqual(200, resp.status)
         self.assertIn('id', new_volume)
         self.addCleanup(self._delete_volume, new_volume['id'])
         self.client.wait_for_volume_status(new_volume['id'], 'available')
         resp, update_volume = \
-            self.client.update_volume(new_volume['id'],
-                                      display_name=volume['display_name'],
-                                      display_description=
-                                      volume['display_description'])
+            self.client.update_volume(
+                new_volume['id'],
+                display_name=volume['display_name'],
+                display_description=volume['display_description'])
         self.assertEqual(200, resp.status)
 
         # NOTE(jdg): Revert back to strict true/false checking