fix the case when gcs return no items key
fix the case when gcs return no items key

verb/contrib,caesarxuchao/contrib,xialonglee/contrib,olark/kubernetes-contrib,pwittrock/contrib,verb/contrib,caesarxuchao/contrib,eparis/contrib,upmc-enterprises/contrib,thockin/contrib,micheleorsi/contrib,rmmh/kubernetes-contrib,caesarxuchao/contrib,cdemers/contrib,lewislyou/contrib,marketlogicsoftware/contrib,luxas/contrib,lewislyou/contrib,moul/contrib,gmarek/contrib,widgetpl/contrib,eparis/contrib,upmc-enterprises/contrib,mikedanese/contrib,mikedanese/contrib,Q-Lee/contrib,kow3ns/contrib,aledbf/contrib,Wattpad/kubernetes-contrib,micheleorsi/contrib,thockin/contrib,pwittrock/contrib,vishpat/contrib,jasonbrooks/contrib,danushkaf/contrib,thockin/contrib,Q-Lee/contrib,krzyzacy/contrib,aledbf/contrib,devlinmr/contrib,girishkalele/contrib,micheleorsi/contrib,chiradeep/contrib,mikedanese/contrib,Pensu/contrib,hongchaodeng/contrib,kskalski/contrib,kow3ns/contrib,verb/contrib,danushkaf/contrib,girishkalele/contrib,danushkaf/contrib,aledbf/contrib,micheleorsi/contrib,moul/contrib,lewislyou/contrib,mikedanese/contrib,kskalski/contrib,chiradeep/contrib,rchicoli/kubernetes-contrib,gmarek/contrib,stephenrlouie/contrib,Q-Lee/contrib,ixdy/kubernetes-contrib,ingvagabund/contrib,danushkaf/contrib,stephenrlouie/contrib,vishpat/contrib,Pensu/contrib,eastbanctech/kubernetes-contrib,Q-Lee/contrib,stephenrlouie/contrib,mikedanese/contrib,x13n/contrib,Wattpad/kubernetes-contrib,fcvarela/contrib,hongchaodeng/contrib,lavalamp/contrib,verb/contrib,caesarxuchao/contrib,rchicoli/kubernetes-contrib,olark/kubernetes-contrib,lewislyou/contrib,xialonglee/contrib,widgetpl/contrib,k8s-packages-power/contrib,luxas/contrib,k8s-packages-power/contrib,marketlogicsoftware/contrib,Pensu/contrib,Wattpad/kubernetes-contrib,cdemers/contrib,fcvarela/contrib,rmmh/kubernetes-contrib,piosz/contrib,ingvagabund/contrib,ixdy/contrib,krzyzacy/contrib,eastbanctech/kubernetes-contrib,danushkaf/contrib,fcvarela/contrib,x13n/contrib,eastbanctech/kubernetes-contrib,luxas/contrib,rchicoli/kubernetes-contrib,widgetpl/contrib,cdemers/contrib,gouyang/contrib,endocode/contrib,ingvagabund/contrib,micheleorsi/contrib,fcvarela/contrib,gouyang/contrib,jasonbrooks/contrib,caesarxuchao/contrib,caesarxuchao/contrib,kow3ns/contrib,Wattpad/kubernetes-contrib,girishkalele/contrib,stephenrlouie/contrib,spxtr/contrib,girishkalele/contrib,eastbanctech/kubernetes-contrib,gmarek/contrib,jcmoraisjr/k8s-contrib,luxas/contrib,ixdy/contrib,foxish/contrib,vishpat/contrib,grodrigues3/contrib,spxtr/contrib,micheleorsi/contrib,endocode/contrib,chiradeep/contrib,eparis/contrib,verb/contrib,spxtr/contrib,Q-Lee/contrib,verb/contrib,foxish/contrib,kskalski/contrib,fcvarela/contrib,hongchaodeng/contrib,chiradeep/contrib,marketlogicsoftware/contrib,cdemers/contrib,xialonglee/contrib,olark/kubernetes-contrib,luxas/contrib,widgetpl/contrib,upmc-enterprises/contrib,lavalamp/contrib,rmmh/kubernetes-contrib,pwittrock/contrib,chiradeep/contrib,devlinmr/contrib,lavalamp/contrib,x13n/contrib,Pensu/contrib,upmc-enterprises/contrib,x13n/contrib,devlinmr/contrib,moul/contrib,vishpat/contrib,gouyang/contrib,vishpat/contrib,Wattpad/kubernetes-contrib,jasonbrooks/contrib,hongchaodeng/contrib,jcmoraisjr/k8s-contrib,ixdy/kubernetes-contrib,ingvagabund/contrib,eparis/contrib,foxish/contrib,girishkalele/contrib,chiradeep/contrib,ingvagabund/contrib,krzyzacy/contrib,gouyang/contrib,Wattpad/kubernetes-contrib,Pensu/contrib,marketlogicsoftware/contrib,krzyzacy/contrib,lavalamp/contrib,xialonglee/contrib,x13n/contrib,gmarek/contrib,grodrigues3/contrib,stephenrlouie/contrib,ingvagabund/contrib,aledbf/contrib,piosz/contrib,k8s-packages-power/contrib,x13n/contrib,jasonbrooks/contrib,endocode/contrib,gmarek/contrib,hongchaodeng/contrib,jcmoraisjr/k8s-contrib,xialonglee/contrib,lavalamp/contrib,fcvarela/contrib,devlinmr/contrib,ixdy/kubernetes-contrib,marketlogicsoftware/contrib,xialonglee/contrib,endocode/contrib,upmc-enterprises/contrib,lewislyou/contrib,k8s-packages-power/contrib,eastbanctech/kubernetes-contrib,krzyzacy/contrib,thockin/contrib,thockin/contrib,rchicoli/kubernetes-contrib,ixdy/contrib,marketlogicsoftware/contrib,ixdy/kubernetes-contrib,olark/kubernetes-contrib,kskalski/contrib,vishpat/contrib,jasonbrooks/contrib,kow3ns/contrib,foxish/contrib,cdemers/contrib,grodrigues3/contrib,ixdy/kubernetes-contrib,jcmoraisjr/k8s-contrib,gouyang/contrib,pwittrock/contrib,piosz/contrib,Pensu/contrib,krzyzacy/contrib,eastbanctech/kubernetes-contrib,grodrigues3/contrib,kskalski/contrib,gouyang/contrib,kskalski/contrib,grodrigues3/contrib,grodrigues3/contrib,cdemers/contrib,rmmh/kubernetes-contrib,piosz/contrib,jcmoraisjr/k8s-contrib,devlinmr/contrib,olark/kubernetes-contrib,eparis/contrib,luxas/contrib,chiradeep/contrib,foxish/contrib,girishkalele/contrib,rmmh/kubernetes-contrib,pwittrock/contrib,piosz/contrib,devlinmr/contrib,pwittrock/contrib,k8s-packages-power/contrib,foxish/contrib,aledbf/contrib,spxtr/contrib,moul/contrib,k8s-packages-power/contrib,rchicoli/kubernetes-contrib,jcmoraisjr/k8s-contrib,mikedanese/contrib,rmmh/kubernetes-contrib,spxtr/contrib,jasonbrooks/contrib,thockin/contrib,rchicoli/kubernetes-contrib,widgetpl/contrib,lewislyou/contrib,endocode/contrib,moul/contrib,endocode/contrib,piosz/contrib,gmarek/contrib,lavalamp/contrib,ixdy/kubernetes-contrib,hongchaodeng/contrib,olark/kubernetes-contrib,spxtr/contrib,widgetpl/contrib,eparis/contrib,kow3ns/contrib,stephenrlouie/contrib,kow3ns/contrib,aledbf/contrib,danushkaf/contrib,upmc-enterprises/contrib,Q-Lee/contrib