diff --git a/tox.ini b/tox.ini
index ec95c5e..1686237 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,6 +35,9 @@ show-source = True
 #H404: multi line docstring should start without a leading new line
 #H405: multi line docstring summary not separated with an empty line
 #H904: Wrap long lines in parentheses instead of a backslash
+#H106 Don’t put vim configuration in source files
+#H203 Use assertIs(Not)None to check for None
 ignore = H803,E302,E303,H233,H302,H404,H405,H904
+enable-extensions=H106,H203
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build