fixup

synapse/storage/events.py

@@ -1449,7 +1449,7 @@ class EventsStore(EventsWorkerStore):
             sibling_events.update(pes)
 
         table = ChunkDBOrderedListStore(
-            txn, room_id, self.clock,
+            txn, room_id, self.clock, self.database_engine,
         )
 
         # If there is only one previous chunk (and that isn't None), then this

synapse/storage/stream.py

@@ -810,7 +810,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore):
             iterated_chunks = [chunk_id]
 
         table = ChunkDBOrderedListStore(
-            txn, room_id, self.clock,
+            txn, room_id, self.clock, self.database_engine,
         )
 
         while chunk_id and (limit <= 0 or len(rows) < limit):