dev-python/async_timeout: Modernize

Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-python/async_timeout/async_timeout-3.0.1.ebuild

@@ -1,8 +1,8 @@
-# Copyright 1999-2020 Gentoo Authors
+# Copyright 1999-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python3_{7..9} )
+PYTHON_COMPAT=( python3_{8..9} )
 
 inherit distutils-r1
 
@@ -10,21 +10,20 @@ 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}/${MY_P}.tar.gz"
+S=${WORKDIR}/${MY_P}
 
 LICENSE="Apache-2.0"
 SLOT="0"
 KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ppc ppc64 ~riscv sparc x86 ~x64-macos"
-IUSE="test"
-RESTRICT="!test? ( test )"
-S=${WORKDIR}/${MY_P}
 
-DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]
+BDEPEND="
 	dev-python/setuptools_scm[${PYTHON_USEDEP}]
 	test? (
-		dev-python/pytest[${PYTHON_USEDEP}]
 		dev-python/pytest-aiohttp[${PYTHON_USEDEP}]
 	)"
 
+distutils_enable_tests pytest
+
 python_prepare_all() {
 	# remove pointless dep on pytest-cov
 	sed -i -e '/addopts/d' setup.cfg || die
@@ -32,7 +31,3 @@ python_prepare_all() {
 	rm tests/conftest.py || die
 	distutils-r1_python_prepare_all
 }
-
-python_test() {
-	pytest -vv || die "Tests fail with ${EPYTHON}"
-}