QuTiP 4.7.0 failing to build with latest packaging package

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Simon Cross

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Dec 8, 2022, 9:51:05 AM12/8/22
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Greetings,

This morning's release of the packaging package [1] broke QuTiP's
setup.py file [2]. For Python 3.10 and below and on conda-forge there
are prebuilt packages, so those are not immediately affected.

We'll be releasing 4.7.1 with a fix as soon as we can (hopefully
tomorrow at the latest).

In the meantime you can "pip install packaging==21.3" to avoid the
issue if you need to build QuTiP.

[1] https://pypi.org/project/packaging/22.0/#history
[2] https://github.com/qutip/qutip/issues/2036

At your service,
Simon Cross
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