diff --git a/tox.ini b/tox.ini
index a5a6600d8..ae96483a9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,10 +41,9 @@ commands = {posargs}
 # E711/E712 comparison to False should be 'if cond is False:' or 'if not cond:'
 #        query = query.filter(Component.disabled == False)
 # E125 continuation line does not distinguish itself from next logical line
-# H301 one import per line
 # H302 import only modules
 # TODO(marun) H404 multi line docstring should start with a summary
-ignore = E711,E712,E125,H301,H302,H404
+ignore = E711,E712,E125,H302,H404
 show-source = true
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,tools