code: def Flash(self, partition, timeout_ms=0, info_cb=DEFAULT_MESSAGE_CALLBACK):
          
          return self._SimpleCommand(b'flash', arg=partition, info_cb=info_cb,
                                     timeout_ms=timeout_ms)
docs: Flashes the last downloaded file to the given partition.
  
          Args:
            partition: Partition to overwrite with the new image.
            timeout_ms: Optional timeout in milliseconds to wait for it to finish.
            info_cb: See Download. Usually no messages.
  
          Returns:
            Response to a download request, normally nothing.