Adding the nova.exeption import to fix the tree
Adding the nova.exeption import to fix the tree

dims/heat,JioCloud/heat,steveb/heat-cfntools,bbandaru/heat-cfntools,srznew/heat,Triv90/Heat,rickerc/heat_audit,jasondunsmore/heat,miguelgrinberg/heat,srznew/heat,Triv90/Heat,Triv90/Heat,jasondunsmore/heat,citrix-openstack-build/heat,noironetworks/heat,rickerc/heat_audit,rdo-management/heat,noironetworks/heat,pshchelo/heat,varunarya10/heat,citrix-openstack-build/heat,rdo-management/heat,takeshineshiro/heat,steveb/heat-cfntools,redhat-openstack/heat,ntt-sic/heat,steveb/heat,sdake/heat-jeos,openstack/heat,cryptickp/heat,redhat-openstack/heat,miguelgrinberg/heat,takeshineshiro/heat,pshchelo/heat,dims/heat,pratikmallya/heat,rh-s/heat,pratikmallya/heat,openstack/heat,openstack/heat-cfntools,cwolferh/heat-scratch,ntt-sic/heat,maestro-hybrid-cloud/heat,maestro-hybrid-cloud/heat,NeCTAR-RC/heat,rh-s/heat,steveb/heat,dragorosson/heat,gonzolino/heat,dragorosson/heat,cryptickp/heat,gonzolino/heat,JioCloud/heat,NeCTAR-RC/heat,cwolferh/heat-scratch,varunarya10/heat