diff --git a/tox.ini b/tox.ini
index 8d82c8a..36ecde0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,6 +28,6 @@ commands = python setup.py testr --coverage --testr-args='{posargs}'
 commands = {posargs}
 
 [flake8]
-ignore = H233
+ignore = None
 show-source = True
 exclude = .venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,tools