dev-python/async_timeout: Re-add version 1.2.1 for gns3-server

net-misc/gns3-server-2.1.21 requires <dev-python/async_timeout-3.0.0

Package-Manager: Portage-2.3.73, Repoman-2.3.17
Signed-off-by: Zac Medico <zmedico@gentoo.org>

dev-python/async_timeout/async_timeout-1.2.1.ebuild

@@ -0,0 +1,31 @@
+# Copyright 1999-2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+PYTHON_COMPAT=( python3_{5,6} )
+
+inherit distutils-r1
+
+MY_P=${PN/_/-}-${PV}
+DESCRIPTION="Timeout context manager for asyncio programs"
+HOMEPAGE="https://github.com/aio-libs/async-timeout"
+SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${MY_P}.tar.gz"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="test"
+S=${WORKDIR}/${MY_P}
+
+DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]
+	dev-python/setuptools_scm[${PYTHON_USEDEP}]
+	test? ( dev-python/pytest-aiohttp[${PYTHON_USEDEP}] )"
+
+python_prepare_all() {
+	sed -i "s:, 'pytest-runner'::" -i setup.py || die
+	distutils-r1_python_prepare_all
+}
+
+python_test() {
+	py.test -v || die "Tests fail with ${EPYTHON}"
+}