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gh-141473: Fix subprocess.Popen.communicate to send input to stdin upon a subsequent post-timeout call (GH-141477)

* gh-141473: Fix subprocess.Popen.communicate to send input to stdin
* Docs: Clarify that `input` is one time only on `communicate()`
* NEWS entry
* Add a regression test.

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Co-authored-by: Gregory P. Smith <greg@krypto.org>
A
Artur Jamro committed
526d7a8bb47bd8ff58c829c30384cd70cc5d0747
Parent: d2d2e92
Committed by GitHub <noreply@github.com> on 11/29/2025, 2:04:52 AM