class Meta(type): def __new__(some): pass
class Meta(type): def __new__(mcs): pass
Used when a metaclass method has a first argument named differently than the
value specified in valid-classmethod-first-arg option (default to
recommended to easily differentiate them from regular instance methods.
Weird enough but usually naming of the first argument is
mcs and pylint
documentation says so but when someone specifies it then the lib throws