Merge branch 'develop' into rav/fix_attribute_mapping

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/test_state.py b/tests/test_state.py

index 6d33566f47..610ec9fb46 100644
--- a/tests/test_state.py
+++ b/tests/test_state.py
@@ -106,7 +106,7 @@ class StateGroupStore(object):
         }
 
     def get_state_group_delta(self, name):
-        return (None, None)
+        return None, None
 
     def register_events(self, events):
         for e in events: