preparation for tests with Python 3.8 and/on arm64/Raspberry

dev-python/coverage/coverage-4.5.2.ebuild

@@ -1,9 +1,9 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
 
-PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} pypy pypy3 )
+PYTHON_COMPAT=( python2_7 python3_{6,7,8} )
 PYTHON_REQ_USE="threads(+)"
 
 inherit distutils-r1
@@ -14,7 +14,7 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 
 LICENSE="BSD"
 SLOT="0"
-KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux"
+KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~arm64"
 IUSE="test"
 
 RDEPEND=""