jsyk, not blocking at all, we tend to use click [1].
Even die hard fan of the old ways of python cli from the cli tend to use it agreeably now ;)

It allows to be a bit more explicit on the parameter and arguments on the cli.
(see your other script where i tried to demo what i'm saying).

[1] https://click.palletsprojects.com/en/7.x/

something like ^
(again not blocking, just showing ;)

disclaimer: not tested ;)