Update MessageManager

anonflow/bot/utils/message_manager.py

@@ -18,4 +18,4 @@ class MessageManager:
         self._message_ids_map[group_message_id] = (reply_to_message_id, chat_id)
 
     def get(self, message_id: int) -> tuple[int, int] | None:
-        return self._message_ids_map.get(message_id)
+        return self._message_ids_map.get(message_id)