Install this version:
emerge -a =dev-python/parsec-3.17
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-python/parsec-3.17
Or alternatively:
emerge --autounmask-write -a =dev-python/parsec-3.17
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=setuptools
PYTHON_COMPAT=( python3_{10..13} pypy3 pypy3_11 )
inherit distutils-r1 pypi
DESCRIPTION="A universal Python parser combinator library inspired by Parsec Haskell library"
HOMEPAGE="https://github.com/sighingnow/parsec.py"
LICENSE="MIT"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE=""
DEPEND=""
RDEPEND="${DEPEND}"
RESTRICT="test"