These fixes are the result of trolling the pylint violations here
These fixes are the result of trolling the pylint violations here

https://jenkins.openstack.org/job/nova-pylint-errors/violations/
rackerlabs/melange,rajarammallya/melange,rackerlabs/melange,rackerlabs/melange,rajarammallya/melange,openstack-attic/melange,openstack-attic/melange,openstack-attic/melange,rajarammallya/melange