Install this version:
emerge -a =dev-python/numdifftools-0.9.42
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-python/numdifftools-0.9.42
Or alternatively:
emerge --autounmask-write -a =dev-python/numdifftools-0.9.42
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
DISTUTILS_USE_PEP517=pdm-backend
PYTHON_COMPAT=( python3_{12..14} )
inherit distutils-r1 pypi
DESCRIPTION="Solves automatic numerical differentiation problems in one or more variables"
HOMEPAGE="
https://github.com/pbrod/numdifftools/
https://pypi.org/project/numdifftools/
"
LICENSE="BSD"
SLOT="0"
KEYWORDS="~amd64 ~x86"
RDEPEND="
>=dev-python/numpy-1.21.2[${PYTHON_USEDEP}]
>=dev-python/scipy-1.7.3[${PYTHON_USEDEP}]
"
EPYTEST_PLUGINS=()
distutils_enable_tests pytest
>=dev-python/numpy-1.21.2[] >=dev-python/scipy-1.7.3[]