[issue34780] Hang on startup if stdin refers to a pipe with an outstanding concurrent operation on Windows

[Alexey Izbyshev]

Change by Alexey Izbyshev <izbyshev at ispras.ru>:


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keywords: +patch
pull_requests: +8924
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34780>
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