gmpy2 fails to build with Python 3.10: error: ‘_PyHASH_NAN’ undeclared - https://bugzilla.redhat.com/show_bug.cgi?id=1959010 ...

2.1.0rc1 has a fix.

Upstream: Fixed upstream, but not in a stable release.

CC: @videlec @dimpase @orlitzky @kiwifb

Component: packages: standard

Author: Matthias Koeppe

Branch: 41f7f4e

Reviewer: Dima Pasechnik

Issue created by migration from https://trac.sagemath.org/ticket/31855