New submission from Serhiy Storchaka <[email protected]>:
>>> import typing
>>> T = typing.TypeVar('T')
>>> (int | T)[typing.Union[str, list]]
NotImplemented
See also issue44633. But in this case the expected result is int | str | list
or typing.Union[init, str, list].
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components: Interpreter Core
messages: 397624
nosy: gvanrossum, kj, serhiy.storchaka
priority: normal
severity: normal
status: open
title: Parameter substitution in the union type does not work with typing.Union
type: behavior
versions: Python 3.10, Python 3.11
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Python tracker <[email protected]>
<https://bugs.python.org/issue44653>
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