[issue36763] Implementation of the PEP 587

[STINNER Victor]

Change by STINNER Victor <vstinner at redhat.com>:


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title: PEP 587: Rework initialization API to prepare second version of the PEP -> Implementation of the PEP 587

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36763>
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