diff --git a/tox.ini b/tox.ini
index 347ffbf87..66032eb27 100644
--- a/tox.ini
+++ b/tox.ini
@@ -49,6 +49,7 @@ show-source = True
 ignore = E123,E125
 enable-extensions=H106,H203
 builtins = _
+filename = *.py,app.wsgi
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build
 
 [hacking]
diff --git a/vitrage/api/app.wsgi b/vitrage/api/app.wsgi
index 17879921b..b5b2e59ec 100644
--- a/vitrage/api/app.wsgi
+++ b/vitrage/api/app.wsgi
@@ -13,11 +13,9 @@
 """Use this file for deploying the API under mod_wsgi.
 See http://pecan.readthedocs.org/en/latest/deployment.html for details.
 """
-from oslo_config import cfg
-
 from vitrage.api import app
 from vitrage import service
 
 # Initialize the oslo configuration library and logging
 conf = service.prepare_service()
-application = app.load_app(conf)
\ No newline at end of file
+application = app.load_app(conf)