diff --git a/tests/hacking/checks.py b/tests/hacking/checks.py
index 5028d044..842aa3d2 100644
--- a/tests/hacking/checks.py
+++ b/tests/hacking/checks.py
@@ -61,7 +61,7 @@ def _parse_assert_mock_str(line):
     point = line.find(".assert_")
 
     if point != -1:
-        end_pos = line[point:].find('(') + point
+        end_pos = line[point:].find("(") + point
         return point, line[point + 1: end_pos], line[: point]
     else:
         return None, None, None
diff --git a/tox.ini b/tox.ini
index 1f93b9fa..1fa53121 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,7 +41,7 @@ downloadcache = ~/cache/pip
 ignore = E126,H703
 show-source = true
 builtins = _
-exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,tools,build,*rally/openstack*
+exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,tools,build,*rally/openstack*,setup.py
 
 [hacking]
 import_exceptions = rally.common.i18n