You can totally still use the zope.interface module or how it's called. But this was part of a phase in the late 90s / early 00s were Python coders from the zop

You can totally still use the zope.interface module or how it's called. But this was part of a phase in the late 90s / early 00s were Python coders from the zope-sphere of influence tried to imitate Java as much as possible, which is not where the community settled.