Erreurs dans wsgi.py

re2o/wsgi.py

@@ -8,9 +8,11 @@ https://docs.djangoproject.com/en/1.8/howto/deployment/wsgi/
 """
 
 import os
-
 from django.core.wsgi import get_wsgi_application
+from os.path import dirname
+import sys
 
+sys.path.append(dirname(dirname(__file__)))
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "re2o.settings")
 
 application = get_wsgi_application()