[issue34995] functools.cached_property does not maintain the wrapped method's __isabstractmethod__

[INADA Naoki]

INADA Naoki <songofaca...@gmail.com> added the comment:

I agree with Serhiy.

For static hinting, `@property` should be enough.
I think tools like mypy should support this pattern:

class MyABC(metaclass=ABCMeta):
    @property
    @abstractmethod
    def myprop(self):
        ...

class MyConcrete(MyABC):
    @cached_property
    def myprop(self):
        return self._some_heavy_work()

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nosy: +inada.naoki

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<https://bugs.python.org/issue34995>
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