dev-python/patsy: Port to py3.9

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

dev-python/patsy/patsy-0.5.1.ebuild

@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python3_{6,7,8} )
+PYTHON_COMPAT=( python3_{6..9} )
 
 inherit distutils-r1
 
@@ -13,33 +13,27 @@ SRC_URI="mirror://pypi/${PN:0:1}/${PN}/${P}.tar.gz"
 LICENSE="BSD"
 SLOT="0"
 KEYWORDS="amd64 x86 ~amd64-linux ~x86-linux"
-IUSE="doc test"
-RESTRICT="!test? ( test )"
+IUSE="doc"
 
 RDEPEND="
 	dev-python/numpy[${PYTHON_USEDEP}]
 	dev-python/six[${PYTHON_USEDEP}]
-	"
-DEPEND="${RDEPEND}
-	dev-python/setuptools[${PYTHON_USEDEP}]
 	sci-libs/scipy[${PYTHON_USEDEP}]
+	"
+BDEPEND="
 	doc? (
 		dev-python/ipython[${PYTHON_USEDEP}]
 		dev-python/matplotlib[${PYTHON_USEDEP}]
 		dev-python/sphinx[${PYTHON_USEDEP}]
 		dev-python/pandas[${PYTHON_USEDEP}]
-		)
-	test? ( dev-python/nose[${PYTHON_USEDEP}] )"
+		)"
+
+distutils_enable_tests nose
 
 python_compile_all() {
 	use doc && emake -C doc html
 }
 
-python_test() {
-	cd "${BUILD_DIR}" || die
-	nosetests -v || die "Testing failed with ${EPYTHON}"
-}
-
 python_install_all() {
 	use doc && HTML_DOCS=( doc/_build/html/. )
 	distutils-r1_python_install_all