[issue37751] In codecs, function 'normalizestring' should convert both spaces and hyphens to underscores.

[Jordon.X]

Change by Jordon.X <9651234 at qq.com>:


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keywords: +patch
pull_requests: +14838
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/15092

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37751>
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