[Trivial]Fix some type errors
[Trivial]Fix some type errors

Change-Id: Ibdefd786222876b976b3cac2bc244bcea5f7cf14

BiznetGIO/horizon,noironetworks/horizon,openstack/horizon,ChameleonCloud/horizon,ChameleonCloud/horizon,NeCTAR-RC/horizon,NeCTAR-RC/horizon,BiznetGIO/horizon,ChameleonCloud/horizon,NeCTAR-RC/horizon,ChameleonCloud/horizon,BiznetGIO/horizon,openstack/horizon,yeming233/horizon,openstack/horizon,noironetworks/horizon,NeCTAR-RC/horizon,noironetworks/horizon,noironetworks/horizon,openstack/horizon,BiznetGIO/horizon,yeming233/horizon,yeming233/horizon,yeming233/horizon