Fix [H302] errors in heat/cloudinit
Fix [H302] errors in heat/cloudinit

Kicked from gate (heat can't pass pep8 atm)

Change-Id: If9100574f091d23c9ae9e0bca94ab16fd4b535ec
rdo-management/heat,gonzolino/heat,steveb/heat,pratikmallya/heat,pshchelo/heat,cryptickp/heat,dragorosson/heat,jasondunsmore/heat,maestro-hybrid-cloud/heat,dims/heat,takeshineshiro/heat,pratikmallya/heat,miguelgrinberg/heat,dragorosson/heat,rdo-management/heat,miguelgrinberg/heat,srznew/heat,rh-s/heat,pshchelo/heat,cwolferh/heat-scratch,srznew/heat,noironetworks/heat,cryptickp/heat,noironetworks/heat,openstack/heat,steveb/heat,jasondunsmore/heat,takeshineshiro/heat,cwolferh/heat-scratch,dims/heat,rh-s/heat,gonzolino/heat,maestro-hybrid-cloud/heat,openstack/heat