Add cache to get_forward_extremeties_for_room

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/replication/slave/storage/events.py b/synapse/replication/slave/storage/events.py

index f8965c73a0..842ced02d6 100644
--- a/synapse/replication/slave/storage/events.py
+++ b/synapse/replication/slave/storage/events.py
@@ -173,7 +173,7 @@ class SlavedEventStore(BaseSlavedStore):
     get_room_max_stream_ordering = DataStore.get_room_max_stream_ordering.__func__
 
     get_forward_extremeties_for_room = (
-        DataStore.get_forward_extremeties_for_room.__func__
+        EventFederationStore.__dict__["get_forward_extremeties_for_room"]
     )
 
     def stream_positions(self):