[issue44208] argparse: Accept option without needing to distinguish "-" from "_" in arg_string

[William Barnhart]

Change by William Barnhart <williambbarnhart at gmail.com>:


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keywords: +patch
pull_requests: +24899
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/26295

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44208>
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