1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/push/action_generator.py b/synapse/push/action_generator.py
index 0658497d9b..fe09d50d55 100644
--- a/synapse/push/action_generator.py
+++ b/synapse/push/action_generator.py
@@ -24,7 +24,7 @@ import logging
 logger = logging.getLogger(__name__)
 
 
-class ActionGenerator:
+class ActionGenerator(object):
     def __init__(self, hs):
         self.hs = hs
         self.clock = hs.get_clock()