[dev-python/authres] add missing dep on setuptools

dev-python/authres/authres-1.1.1.ebuild

@@ -1,8 +1,8 @@
-# Copyright 1999-2018 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} pypy )
+PYTHON_COMPAT=( python{2_7,3_5,3_6} pypy )
 
 inherit distutils-r1
 
@@ -15,6 +15,8 @@ KEYWORDS="~amd64 ~x86"
 SLOT="0"
 IUSE=""
 
+DEPEND="dev-python/setuptools[${PYTHON_USEDEP}]
+
 python_test() {
 	"${PYTHON}" -c "import sys, ${PN}, doctest; f, t = doctest.testfile('${PN}/tests'); \
 		sys.exit(bool(f))" || die "Tests fail with ${EPYTHON}"