Ignore some more pep8 errors
These match our other python projects.
@@ -40,7 +40,9 @@ commands =
[flake8]
show-source = True
exclude = .tox,.test
-ignore = E125,H
+# These are ignored intentionally in openstack-infra projects;
+# please don't submit patches that solely correct them or enable them.
+ignore = E125,E129,E402,H,W503
[testenv:grafyaml]
basepython = python2.7
