code review
diff --git a/web_app/keystone.py b/web_app/keystone.py
index 0d2c5f3..38f49e0 100644
--- a/web_app/keystone.py
+++ b/web_app/keystone.py
@@ -4,6 +4,7 @@
 from keystoneclient.v2_0 import Client as keystoneclient
 from keystoneclient import exceptions
 
+
 class Urllib2HTTP(object):
     """
     class for making HTTP requests