Now `new` in a metaclass must return a subtype of `type` #11420

sobolevn · 2021-10-31T19:01:31Z

Now cases like

from typing import Type

class MyMetaClass(type):
    def __new__(cls, name, bases, attrs) -> Type['MyClass']:
        pass

class MyClass(metaclass=MyMetaClass):
    pass

Will pass.

…1398

JukkaL

Nice! Thanks for the PR.

…thon#11398 (python#11420) Closes python#11398 Now cases like ```python from typing import Type class MyMetaClass(type): def __new__(cls, name, bases, attrs) -> Type['MyClass']: pass class MyClass(metaclass=MyMetaClass): pass ``` will pass.

Now __new__ in a metaclass must return a subtype of type, refs #1…

b3bfeb2

…1398

JukkaL approved these changes Nov 1, 2021

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JukkaL merged commit bddc8bf into python:master Nov 1, 2021

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Now `new` in a metaclass must return a subtype of `type` #11420

Now `new` in a metaclass must return a subtype of `type` #11420

sobolevn commented Oct 31, 2021 •

edited

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JukkaL left a comment

Now __new__ in a metaclass must return a subtype of type #11420

Now __new__ in a metaclass must return a subtype of type #11420

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sobolevn commented Oct 31, 2021 • edited Loading

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Now `new` in a metaclass must return a subtype of `type` #11420

Now `new` in a metaclass must return a subtype of `type` #11420

sobolevn commented Oct 31, 2021 •

edited

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