fix some problems with migration code
fix some problems with migration code
Sinar/popit,mysociety/popit,mysociety/popit,openstate/popit,Sinar/popit,openstate/popit,mysociety/popit,openstate/popit,Sinar/popit,Sinar/popit,mysociety/popit,openstate/popit,mysociety/popit