code: def handle_simple_responses(
        self, timeout_ms=None, info_cb=DEFAULT_MESSAGE_CALLBACK):
      
      return self._accept_responses('OKAY', info_cb, timeout_ms=timeout_ms)
docs: Accepts normal responses from the device.
  
      Args:
        timeout_ms: Timeout in milliseconds to wait for each response.
        info_cb: Optional callback for text sent from the bootloader.
  
      Returns:
        OKAY packet's message.