Only create the viz if there are successfully imported tables
Only create the viz if there are successfully imported tables

codeandtheory/cartodb,bloomberg/cartodb,bloomberg/cartodb,bloomberg/cartodb,codeandtheory/cartodb,CartoDB/cartodb,CartoDB/cartodb,CartoDB/cartodb,bloomberg/cartodb,codeandtheory/cartodb,CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,bloomberg/cartodb,codeandtheory/cartodb,splashblot/dronedb,CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,codeandtheory/cartodb