code: def leave_room(self, room_id, timeout=None):
          
          self._post(
              '/v2/bot/room/{room_id}/leave'.format(room_id=room_id),
              timeout=timeout
          )
docs: Call leave room API.
  
          https://devdocs.line.me/en/#leave
  
          Leave a room.
  
          :param str room_id: Room ID
          :param timeout: (optional) How long to wait for the server
              to send data before giving up, as a float,
              or a (connect timeout, read timeout) float tuple.
              Default is self.http_client.timeout
          :type timeout: float | tuple(float, float)