dev-python/asyncstdlib: Switch to PEP 517 build

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

dev-python/asyncstdlib/asyncstdlib-3.10.2-r1.ebuild

@@ -0,0 +1,27 @@
+# Copyright 2021-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+DISTUTILS_USE_PEP517=flit
+PYTHON_COMPAT=( python3_{8..10} )
+inherit distutils-r1
+
+DESCRIPTION="The missing async toolbox"
+HOMEPAGE="
+	https://github.com/maxfischer2781/asyncstdlib/
+	https://pypi.org/project/asyncstdlib/"
+SRC_URI="
+	https://github.com/maxfischer2781/asyncstdlib/archive/v${PV}.tar.gz
+		-> ${P}.gh.tar.gz"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+distutils_enable_tests pytest
+
+src_prepare() {
+	sed -i -e '2,3s:flit:&_core:' pyproject.toml || die
+	distutils-r1_src_prepare
+}