Run flake8 also on cinder/*/openstack

exclude=openstack also matches cinder/api/openstack,
which is however not merged from oslo-incubator.
Exclude=common instead, and explicitely include
cinder/common

Change-Id: I331d8c0d17e519386ae72caeca8a336eecde3ad3

cinder/api/openstack/wsgi.py

@@ -183,12 +183,11 @@ class XMLDeserializer(TextDeserializer):
         """Search a nodes children for the first child with a given name."""
         for node in parent.childNodes:
             if (node.localName == name and
-                node.namespaceURI and
-                node.namespaceURI == namespace):
+                    node.namespaceURI and
+                    node.namespaceURI == namespace):
                 return node
         return None
 
-
     def find_first_child_named(self, parent, name):
         """Search a nodes children for the first child with a given name"""
         for node in parent.childNodes:

tox.ini

@@ -21,7 +21,7 @@ downloadcache = ~/cache/pip
 [testenv:pep8]
 sitepackages = False
 commands =
-  flake8 {posargs}
+  flake8 {posargs} . cinder/common
   flake8 --filename=cinder* bin
 
 [testenv:pylint]
@@ -45,4 +45,4 @@ commands = {posargs}
 [flake8]
 ignore = E711,E712,F401,F403,F811,F841,H302,H303,H304,H402,H404
 builtins = _
-exclude = .venv,.tox,dist,doc,openstack,*egg,build
+exclude = .git,.venv,.tox,dist,doc,common,*egg,build