Fix travis builds under 0.8.x
Fix travis builds under 0.8.x

openstate/popit,mysociety/popit,openstate/popit,mysociety/popit,Sinar/popit,mysociety/popit,Sinar/popit,Sinar/popit,mysociety/popit,openstate/popit,openstate/popit,Sinar/popit,mysociety/popit