[issue40862] argparse.BooleanOptionalAction accept and silently discard its the const argument

[Rémi Lapeyre]

Rémi Lapeyre <remi.lapeyre at henki.fr> added the comment:

argparse.BooleanOptionalAction was introduced in Python3.9 so there is no code there should be no code that already rely on it.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40862>
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