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TypedDict.__annotations__ is empty with Python 3.14 beta 1 #593

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pekkaklarck opened this issue May 8, 2025 · 2 comments
Open

TypedDict.__annotations__ is empty with Python 3.14 beta 1 #593

pekkaklarck opened this issue May 8, 2025 · 2 comments

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@pekkaklarck
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Python 3.14.0b1 (main, May  8 2025, 08:57:13) [GCC 13.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from typing_extensions import TypedDict
>>> 
>>> class XY(TypedDict):
...     x: int
...     y: int
...     
>>> XY.__annotations__
{}
>>> 
>>> from typing import TypedDict
>>> 
>>> class XY(TypedDict):
...     x: int
...     y: int
...     
>>> XY.__annotations__
{'x': <class 'int'>, 'y': <class 'int'>}
>>>

Tested with typing_extensions v4.13.2. There are no problems with earlier Python versions nor were there with Python 3.14 alphas that I tested.
@JelleZijlstra
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JelleZijlstra commented May 8, 2025 •
edited
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This is fixed on typing-extensions main. We will do a new release somewhat soon, but there's at least one other new feature I'd like to go in.

@pekkaklarck
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No hurry for us. This caused some tests to fail, but those tests can use typing.TypedDict instead. Most likely the typing_extension usage was from time we supported Python 3.7.

pekkaklarck added a commit to robotframework/robotframework that referenced this issue May 8, 2025
@pekkaklarck
Remove unnecessary typing_extensions usage in tests
48aa98b 
No need to use typing_extensions.TypedDict in these tests when
typing.TypedDict works just fine. That avoids problems with
Python 3.14 (#5352) caused by a bug in typing_extensions:
python/typing_extensions#593
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@pekkaklarck @JelleZijlstra