Correctly handle non-bool m.federate flag

synapse/handlers/stats.py

@@ -260,7 +260,9 @@ class StatsHandler(StateDeltasHandler):
                         room_stats_delta["local_users_in_room"] += delta
 
             elif typ == EventTypes.Create:
-                room_state["is_federatable"] = event_content.get("m.federate", True)
+                room_state["is_federatable"] = (
+                    event_content.get("m.federate", True) is True
+                )
                 if sender and self.is_mine_id(sender):
                     user_to_stats_deltas.setdefault(sender, Counter())[
                         "rooms_created"

synapse/storage/stats.py

@@ -823,7 +823,9 @@ class StatsStore(StateDeltasStore):
             elif event.type == EventTypes.CanonicalAlias:
                 room_state["canonical_alias"] = event.content.get("alias")
             elif event.type == EventTypes.Create:
-                room_state["is_federatable"] = event.content.get("m.federate", True)
+                room_state["is_federatable"] = (
+                    event.content.get("m.federate", True) is True
+                )
 
         yield self.update_room_state(room_id, room_state)