Fixed lint issue

syrusakbary · syrusakbary · commit 96236408c52e · 2016-11-14T22:34:49.000-08:00
diff --git a/graphene_django/compat.py b/graphene_django/compat.py
@@ -4,6 +4,7 @@
 class MissingType(object):
     pass
 
+
 try:
     DurationField = models.DurationField
     UUIDField = models.UUIDField
