[issue37549] os.dup() fails for standard streams on Windows 7

[Steve Dower]

Steve Dower <steve.dower at python.org> added the comment:

Thanks, Eryk. In that case, I'll merge the PR.

Since Python 3.9 will not support Windows 7, we can remove it from master as soon as the backports are done :)

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assignee:  -> steve.dower

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