[issue39435] pickle: inconsistent arguments pickle.py vs _pickle.c vs docs

[Antoine Pitrou]

Change by Antoine Pitrou <solipsis at pitrou.net>:


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pull_requests: +19162
pull_request: https://github.com/python/cpython/pull/19844

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39435>
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