If main.py crashes ~5 times within ~10 seconds, then it'll get put in a failed state until you manually recover it with `reset-failed`. systemd will be happy to

If main.py crashes ~5 times within ~10 seconds, then it'll get put in a failed state until you manually recover it with `reset-failed`. systemd will be happy to restart it often enough that it hits that threshold, because you told it to. So just `Restart=always` isn't enough; you need to set `StartLimitBurst` too (and `StartLimitIntervalSec` if you want to fine-tune it).