added return statements after error reporting for disabled model
added return statements after error reporting for disabled model

taimir/heapster,AlmogBaku/heapster,titilambert/heapster,liuhewei/heapster,liuhewei/heapster,adfin/statster,taimir/heapster,huangyuqi/heapster,whuwxl/heapster,bluebreezecf/heapster,a-robinson/heapster,thucatebay/heapster,jackzampolin/heapster,saiwl/heapster,mdshuai/heapster,Stackdriver/heapster,wulonghui/heapster,ravihansa3000/heapster,vicki-c/heapster,luxas/heapster,krzyzacy/heapster,saiwl/heapster,bluebreezecf/heapster,piosz/heapster,burmanm/heapster,Huawei-PaaS/heapster,mdshuai/heapster,aegixx/heapster,aegixx/heapster,apeeyush/heapster,thucatebay/heapster,naxhh/heapster,mwielgus/heapster,bruceauyeung/heapster,johanneswuerbach/heapster,afein/heapster,vicki-c/heapster,mwielgus/heapster,titilambert/heapster,burmanm/heapster,johanneswuerbach/heapster,liubog2008/heapster,andyxning/heapster,Stackdriver/heapster,naxhh/heapster,shilpamayanna/heapster,huangyuqi/heapster,vishh/heapster-1,andyxning/heapster,bruceauyeung/heapster,afein/heapster,piosz/heapster,mwringe/heapster,skytap/heapster,AlmogBaku/heapster,digideskio/heapster,Huawei-PaaS/heapster,luxas/heapster,adfin/statster,skytap/heapster,wulonghui/heapster,whuwxl/heapster,a-robinson/heapster,jackzampolin/heapster,krzyzacy/heapster,shilpamayanna/heapster,vishh/heapster-1,liubog2008/heapster,digideskio/heapster,apeeyush/heapster,mwringe/heapster,ravihansa3000/heapster