diff --git a/tox.ini b/tox.ini
index f1621024ba..873adfac53 100644
--- a/tox.ini
+++ b/tox.ini
@@ -55,3 +55,6 @@ exclude=.venv,.git,.tox,dist,*openstack/common*,*lib/python*,*egg,tools,build
 # 28 is currently the most complex thing we have
 # TODO(asalkeld): get this number down to 20
 max-complexity=29
+
+[hacking]
+import_exceptions = heat.common.i18n