[issue20897] @abstractmethod does not enforce method signatures

[Claudiu.Popa]

Claudiu.Popa added the comment:

Hello. In 3.3 you can instantiate META class, because it does not properly say that it wants abc.ABCMeta as a metaclass. For this, you have to write your class as such:

class META(metaclass=abc.ABCMeta):
    @abc.abstractmethod
    def _junk(self):
       ...

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nosy: +Claudiu.Popa

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20897>
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