Install this version:
emerge -a =dev-python/simpy-4.1.2
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-python/simpy-4.1.2
Or alternatively:
emerge --autounmask-write -a =dev-python/simpy-4.1.2
# 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_{11..15} )
PYTHON_REQ_USE="tk"
inherit distutils-r1 pypi
DESCRIPTION="Object-oriented, process-based discrete-event simulation language"
HOMEPAGE="
https://simpy.readthedocs.io/
https://gitlab.com/team-simpy/simpy/
https://pypi.org/project/simpy/
"
LICENSE="LGPL-2.1"
SLOT="0"
KEYWORDS="~amd64 ~x86"
BDEPEND="
dev-python/setuptools-scm[${PYTHON_USEDEP}]
test? (
dev-python/py[${PYTHON_USEDEP}]
)
"
# Could not import extension sphinx.builders.epub3 (exception: cannot import
# name 'StandaloneHTMLBuilder' from partially initialized module
# 'sphinx.builders.html' (most likely due to a circular import)
# (/usr/lib/python3.10/site-packages/sphinx/builders/html/__init__.py))
#distutils_enable_sphinx docs dev-python/sphinx-rtd-theme
EPYTEST_PLUGINS=()
distutils_enable_tests pytest