Install this version:
emerge -a =dev-python/dnslib-0.9.24-r1
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-python/dnslib-0.9.24-r1
Or alternatively:
emerge --autounmask-write -a =dev-python/dnslib-0.9.24-r1
# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=setuptools
PYTHON_COMPAT=( python3_{12..13} )
inherit distutils-r1 pypi
DESCRIPTION="Simple library to encode/decode DNS wire-format packets"
HOMEPAGE="https://pypi.org/project/dnslib/"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86"
RESTRICT="test"
RDEPEND=""
DEPEND="${RDEPEND}"