Trivial ebuild change required. Reproducible: Always
Dependency is given without requiring exact python dep.
+ 19 Apr 2015; Ben de Groot <yngwin@gentoo.org> -quodlibet-3.0.2.ebuild, + -quodlibet-3.1.1.ebuild, quodlibet-2.6.3.ebuild, quodlibet-3.1.2.ebuild: + Add more missing PYTHON_USEDEPs (bug #546266). Drop old.