[issue38907] Add IPv6 Dual-Stack control for http.server

[JIanqiu Tao]

Change by JIanqiu Tao <zkonge at outlook.com>:


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keywords: +patch
pull_requests: +16860
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/17378

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38907>
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