Исправил условие

Author: BoryaGames

src/pymax/interfaces.py

@@ -287,7 +287,7 @@ async def _handle_file_upload(self, data: dict[str, Any]) -> None:
                     self.logger.debug("Fulfilled file upload waiter for %s=%s", key, id_)
 
     async def _send_notification_response(self, chat_id: int, message_id: str) -> None:
-        if self._socket is not None and self.is_connected:
+        if self._socket is None or not self.is_connected:
             return
         await self._queue_message(
             opcode=Opcode.NOTIF_MESSAGE,