Check for empty visualization ids in explore api rake
Check for empty visualization ids in explore api rake

CartoDB/cartodb,codeandtheory/cartodb,UCL-ShippingGroup/cartodb-1,splashblot/dronedb,future-analytics/cartodb,splashblot/dronedb,CartoDB/cartodb,splashblot/dronedb,UCL-ShippingGroup/cartodb-1,nuxcode/cartodb,CartoDB/cartodb,splashblot/dronedb,thorncp/cartodb,nuxcode/cartodb,nyimbi/cartodb,nyimbi/cartodb,bloomberg/cartodb,nyimbi/cartodb,nuxcode/cartodb,nuxcode/cartodb,thorncp/cartodb,UCL-ShippingGroup/cartodb-1,CartoDB/cartodb,bloomberg/cartodb,codeandtheory/cartodb,codeandtheory/cartodb,future-analytics/cartodb,nyimbi/cartodb,codeandtheory/cartodb,nuxcode/cartodb,nyimbi/cartodb,UCL-ShippingGroup/cartodb-1,splashblot/dronedb,thorncp/cartodb,CartoDB/cartodb,codeandtheory/cartodb,thorncp/cartodb,UCL-ShippingGroup/cartodb-1,bloomberg/cartodb,bloomberg/cartodb,future-analytics/cartodb,future-analytics/cartodb,thorncp/cartodb,bloomberg/cartodb,future-analytics/cartodb