"Red alert" for locally run script

main.py

def main():
  raise NotImplementedError()


if __name__ == "__main__":
    try:
        main()
    except Exception:
        import vlc
        from time import sleep

        player = vlc.MediaPlayer("https://www.trekcore.com/audio/redalertandklaxons/tng_red_alert2.mp3")
        player.audio_set_volume(100)
        player.play()
        sleep(7.0)  # MP3 is 5 seconds long; play() is async
        raise