ptyprocess: Pin version to 0.5.1 in install-requires.txt

[mkoeppe]

(split out from #31280)

CC: @kiwifb @antonio-rojas @isuruf @fchapoton @tscrim

Component: packages: standard

Author: Matthias Koeppe

Branch/Commit: d69c496

Reviewer: Dima Pasechnik

Issue created by migration from https://trac.sagemath.org/ticket/32371

[mkoeppe]

Branch: u/mkoeppe/ptyprocess__pin_version_to_0_5_1_in_install_requires_txt

[mkoeppe]

New commits:

d69c496

build/pkgs/ptyprocess: pin version to 0.5.1

[mkoeppe]

Commit: d69c496

[dimpase]

comment:3

lgtm

[dimpase]

Reviewer: Dima Pasechnik

[mkoeppe]

comment:4

Thanks!

[vbraun]

Changed branch from u/mkoeppe/ptyprocess__pin_version_to_0_5_1_in_install_requires_txt to d69c496