Bug Fix :  Local variable 'quota_display' referenced before assignment
Bug Fix :  Local variable 'quota_display' referenced before assignment

closes-Bug: #1767354

Change-Id: I6eed169b8c5f18295734cb6453c7256f31de10d3

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