swift-proxy-server: Ubuntu is still on Python 2
swift-proxy-server: Ubuntu is still on Python 2

Change-Id: Ie174d1154bfe9295e5dae05ac885a5fa88487d4d

rahulunair/kolla,rahulunair/kolla,stackforge/kolla,stackforge/kolla,stackforge/kolla,openstack/kolla,openstack/kolla