It's really awfull to write this kind of suff.
It seems to be Ok right now. I hope I will not change it until long
time.

Since the begining this code was hacky. I switched to something more
linter friendly

Ouff ..

Just a test for new rules

Just a test for new rules

Oups, I did it again !!

fix a bug in address typed as int, and is_running() missing return type

TypeVar are not suitable for method only type checking

Cleaner option

At least one piece is Ok ;)

Some issues arise .. will need another round soon

Switching == to is, or != to is not is a big source of error.. here an
example ;)