diff --git a/ceilometer/api/middleware.py b/ceilometer/api/middleware.py
index 9674e5eb9..69b6f169e 100644
--- a/ceilometer/api/middleware.py
+++ b/ceilometer/api/middleware.py
@@ -69,7 +69,7 @@ class ParsableErrorMiddleware(object):
         if (state['status_code'] / 100) not in (2, 3):
             req = webob.Request(environ)
             if (req.accept.best_match(['application/json', 'application/xml'])
-                == 'application/xml'):
+               == 'application/xml'):
                 try:
                     # simple check xml is valid
                     body = [et.ElementTree.tostring(
diff --git a/tox.ini b/tox.ini
index bf866c4e8..c76e187ec 100644
--- a/tox.ini
+++ b/tox.ini
@@ -40,7 +40,7 @@ deps = -r{toxinidir}/requirements.txt
 commands = {posargs}
 
 [flake8]
-ignore = E125,H301,H306
+ignore = H301,H306
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,tools,nova_tests
 show-source = True