Yes, we are still returning things

changelog.d/8751.misc

@@ -1 +1 @@
-Generalise `RoomMemberHandler._locally_reject_invite` for any membership type.
+Generalise `RoomMemberHandler._locally_reject_invite` to apply to more flows than just invite.

synapse/handlers/room_member.py

@@ -1104,17 +1104,17 @@ class RoomMemberMasterHandler(RoomMemberHandler):
             #
             logger.warning("Failed to reject invite: %s", e)
 
-            return await self._generate_local_out_of_band_membership(
+            return await self._generate_local_out_of_band_leave(
                 invite_event, txn_id, requester, content
             )
 
-    async def _generate_local_out_of_band_membership(
+    async def _generate_local_out_of_band_leave(
         self,
         previous_membership_event: EventBase,
         txn_id: Optional[str],
         requester: Requester,
         content: JsonDict,
-    ):
+    ) -> Tuple[str, int]:
         """Generate a local leave event for a room
 
         This can be called after we e.g fail to reject an invite via a remote server.