> Python do not have annotations. Decorators are not like java annotations.

Sorry, yes - wrong word. The point stands, though. For class methods to require the use of a feature as outside the core syntax as decorators just screams of a hacked-in afterthought.

> I think "self" is good.

I am indifferent to it, but the fact that the space in the syntax opened up by requiring an explicit receiver on all method definitions is not taken advantage of for class methods speaks volumes.