Don't show error if it's a cancelled request, also avoid render when not necessary
Don't show error if it's a cancelled request, also avoid render when not necessary

CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,CartoDB/cartodb,CartoDB/cartodb,CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,splashblot/dronedb,CartoDB/cartodb