Install this version:
emerge -a =dev-python/affine-3.0.0
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-python/affine-3.0.0
Or alternatively:
emerge --autounmask-write -a =dev-python/affine-3.0.0
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=flit
PYTHON_COMPAT=( python3_{11..15} )
inherit distutils-r1 pypi
DESCRIPTION="Matrices describing affine transformation of the plane"
HOMEPAGE="https://github.com/rasterio/affine"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86"
RDEPEND="dev-python/attrs[${PYTHON_USEDEP}]"
BDEPEND="test? ( dev-python/numpy[${PYTHON_USEDEP}] )"
EPYTEST_PLUGINS=()
distutils_enable_tests pytest
distutils_enable_sphinx docs/src