Catch failure to part user from room

synapse/handlers/deactivate_account.py

@@ -114,6 +114,7 @@ class DeactivateAccountHandler(BaseHandler):
         rooms_for_user = yield self.store.get_rooms_for_user(user_id)
         for room_id in rooms_for_user:
             logger.info("User parter parting %r from %r", user_id, room_id)
+            try:
                 yield self._room_member_handler.update_membership(
                     create_requester(user),
                     user,
@@ -121,3 +122,8 @@ class DeactivateAccountHandler(BaseHandler):
                     "leave",
                     ratelimit=False,
                 )
+            except Exception:
+                logger.exception(
+                    "Failed to part user %r from room %r: ignoring and continuing",
+                    user_id, room_id,
+                )