[issue44711] Optimize type check in pipes.py

[Anton Grübel]

Anton Grübel <anton.gruebel at googlemail.com> added the comment:

I'm still super happy to had the chance to contribute a bit to Python and it will be available already in version 3.10 <3

Thanks Serhiy & Lukasz!

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<https://bugs.python.org/issue44711>
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