Mask python 3.4 until pip supports python3_4 target.
Mask python 3.4 until pip supports python3_4 target.

berney/gentoo-bb,gdm/gentoo-bb,edannenberg/gentoo-bb,guruvan/gentoo-bb,jonasjonas/gentoo-bb,edannenberg/kubler,gdm/gentoo-bb,guruvan/gentoo-bb,berney/gentoo-bb,jonasjonas/gentoo-bb,edannenberg/gentoo-bb