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Improve type hints in tv_tensor.wrap

Open twsl opened this issue 11 months ago • 9 comments

Fix #8829

twsl avatar Dec 25 '24 15:12 twsl

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/vision/8830

Note: Links to docs will display an error until the docs builds have been completed.

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pytorch-bot[bot] avatar Dec 25 '24 15:12 pytorch-bot[bot]

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facebook-github-bot avatar Dec 25 '24 15:12 facebook-github-bot

Fix would also be included in #8817

twsl avatar Dec 25 '24 16:12 twsl

Fix would also be included in #8817

Your naming convention is probably better than mine is in #8817 though.

Alexandre-SCHOEPP avatar Jan 06 '25 08:01 Alexandre-SCHOEPP

Sorry folks, I don't think I can merge this. Mypy is painful enough to please (and I'll probably have to disable it entirely anyway), but I just really don't have any bandwidth to support all type-checkers out there :/

NicolasHug avatar Feb 19 '25 13:02 NicolasHug

Sorry folks, I don't think I can merge this. Mypy is painful enough to please (and I'll probably have to disable it entirely anyway), but I just really don't have any bandwidth to support all type-checkers out there :/

Is there a recommended/official torchvision stubs project ? Because type checking python is crucial to my applications.

Alexandre-SCHOEPP avatar Feb 19 '25 14:02 Alexandre-SCHOEPP

There is none, sorry

NicolasHug avatar Feb 19 '25 14:02 NicolasHug

By the way, why is the type var restricted using positional arguments instead of using a bound=TVTensor

Alex-S-H-P avatar Feb 20 '25 18:02 Alex-S-H-P

By the way, why is the type var restricted using positional arguments instead of using a bound=TVTensor

I intended to make the typehints explicit. Yet your comment actually made me rethink the implementation. But to actually return the correct type, it would need covariant=True. mypy then throws a Cannot use a covariant type variable as a parameter [misc]. However, in this case, it would be another false-positive according to my understanding. So ignoring it would provide a more generic version. Therefore i pushed the current version. Please correct me, if my understanding of TypeVar is wrong

twsl avatar Feb 20 '25 22:02 twsl