app-vim/gundo: [QA] Add missing python metadata variables

Package-Manager: Portage-2.3.5, Repoman-2.3.2

app-vim/gundo/gundo-2.6.1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2016 Gentoo Foundation
+# Copyright 1999-2017 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
@@ -10,10 +10,16 @@ inherit vim-plugin python-single-r1
 DESCRIPTION="vim plugin: visualize your vim undo tree"
 HOMEPAGE="https://sjl.bitbucket.org/gundo.vim/"
 SRC_URI="https://github.com/sjl/gundo.vim/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+
 LICENSE="GPL-2+"
 KEYWORDS="amd64 x86 ~x64-macos"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
 
-RDEPEND="|| ( app-editors/vim[${PYTHON_USEDEP}] app-editors/gvim[${PYTHON_USEDEP}] )
+RDEPEND="
+	|| (
+		app-editors/vim[${PYTHON_USEDEP}]
+		app-editors/gvim[${PYTHON_USEDEP}]
+	)
 	${PYTHON_DEPS}"
 
 S=${WORKDIR}/${PN}.vim-${PV}