Ken Jin <kenjin4...@gmail.com> added the comment:
Nosied over people from issue44490. This issue addresses msg396895:
Thanks to Ruben for the catch. (message copied over):
```
It also lacks the __module__ attribute, causing it to be unusable in PEP 593
typing.Annotated types:
from typing import Annotated
x: Annotated[int | str, 'test']
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/Users/ruben/.pyenv/versions/3.10.0b3/lib/python3.10/typing.py", line
298, in inner
return cached(*args, **kwds)
File "/Users/ruben/.pyenv/versions/3.10.0b3/lib/python3.10/typing.py", line
1594, in __class_getitem__
return _AnnotatedAlias(origin, metadata)
File "/Users/ruben/.pyenv/versions/3.10.0b3/lib/python3.10/typing.py", line
1520, in __init__
super().__init__(origin, origin)
File "/Users/ruben/.pyenv/versions/3.10.0b3/lib/python3.10/typing.py", line
976, in __init__
self.__module__ = origin.__module__
AttributeError: 'types.Union' object has no attribute '__module__'. Did you
mean: '__reduce__'?
```
----------
nosy: +ROpdebee, gvanrossum, kj, serhiy.storchaka
versions: +Python 3.10
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<https://bugs.python.org/issue44662>
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