Install this version:
emerge -a =dev-python/billiard-4.3.0
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=setuptools
PYTHON_COMPAT=( python3_{12..14} )
inherit distutils-r1 pypi
DESCRIPTION="Python's multiprocessing package fork with improvements and bugfixes"
HOMEPAGE="https://github.com/celery/billiard"
LICENSE="BSD"
SLOT="0"
KEYWORDS="amd64 ~arm64 ~x86"