[issue40509] In argparse, allow REMAINDER(...) arguments in a mutually exclusive group

[Shani Armon]

Change by Shani Armon <armonshanid+development at gmail.com>:


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keywords: +patch
pull_requests: +19233
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/19919

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40509>
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