install packaging as part of the regular dev requirements

[pmeier]

This addresses #8100. The offending PR was reverted: The offending PR was reverted: pytorch/pytorch#113023 (comment). However, one of pkg_resources (deprecated package that comes with setuptools) or packaging is still required: https://github.com/pytorch/pytorch/blame/a1e3c501652101e8b37baac62216db7ca22c9923/torch/torch_version.py#L22-L29

Thus, let's just install packaging as part of the regular dev requirements to avoid the warning.

cc @seemethere

[pytorch-bot]

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❌ 1 New Failure, 1 Unrelated Failure

As of commit 3ea0443 with merge base 7b4681a ():

NEW FAILURE - The following job has failed:

• Tests / unittests-windows (3.9, windows.4xlarge, cpu) / windows-job (gh)

FLAKY - The following job failed but was likely due to flakiness present on trunk:

• Tests / unittests-macos (3.8, macos-m1-12) / macos-job (gh)

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[NicolasHug]

Thanks Philip, approving but just to make sure: this is only a dev dependency (not runtime), right?

[pmeier]

Unfortunately, packaging is actually a runtime dependency 😞 See pytorch/pytorch#113940. Thanks for pressing on this @NicolasHug! Closing this as it has to be fixed upstream.

[albanD]

Does this mean that vision will rely on the vendored version of packaging within PyTorch? Or this was just a pure PyTorch issue that needed a workaround here for CI to be gren?

[pmeier]

@albanD We hit a problem since part of our test suite errors on warnings. We don't need packaging, but the error was coming from inside torch. So, with my PR on core merged, I'll revert #8100 when tomorrows nightly release arrives.