--- a/Allura/allura/model/artifact.py
+++ b/Allura/allura/model/artifact.py
@@ -668,6 +668,7 @@
     class __mongometa__:
         session = main_orm_session
         name = 'vote'
+
     votes = FieldProperty(int, if_missing=0)
     votes_up = FieldProperty(int, if_missing=0)
     votes_down = FieldProperty(int, if_missing=0)