dev-python/networkx: modernize python function calls

Package-Manager: Portage-2.3.6_p1, Repoman-2.3.2_p69

dev-python/networkx/networkx-1.11.ebuild

@@ -16,7 +16,7 @@ SLOT="0"
 KEYWORDS="~amd64 ~arm64 ~x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x86-macos"
 IUSE="doc examples test"
 
-REQUIRED_USE="doc? ( || ( $(python_gen_useflags 'python2*') ) )"
+REQUIRED_USE="doc? ( || ( $(python_gen_useflags -2) ) )"
 
 COMMON_DEPEND="
 	dev-python/matplotlib[${PYTHON_USEDEP}]
@@ -32,7 +32,7 @@ DEPEND="
 	test? (
 		${COMMON_DEPEND}
 		dev-python/nose[${PYTHON_USEDEP}]
-		$(python_gen_cond_dep 'media-gfx/pydot[${PYTHON_USEDEP}]' python2_7)
+		$(python_gen_cond_dep 'media-gfx/pydot[${PYTHON_USEDEP}]' -2)
 	)"
 RDEPEND="
 	>=dev-python/decorator-3.4.0[${PYTHON_USEDEP}]
@@ -47,10 +47,6 @@ PATCHES=(
 	"${FILESDIR}"/1.11-sphinx-pngmath.patch
 )
 
-pkg_setup() {
-	use doc && DISTUTILS_ALL_SUBPHASE_IMPLS=( 'python2*' )
-}
-
 python_prepare_all() {
 	# Avoid d'loading of file objects.inv from 2 sites of python docs
 	sed -e "s/'sphinx.ext.intersphinx', //" -i doc/source/conf.py || die
@@ -58,7 +54,10 @@ python_prepare_all() {
 }
 
 python_compile_all() {
-	use doc && emake -C doc html
+	if use doc; then
+		python_setup -2
+		emake -C doc html
+	fi
 }
 
 python_test() {