make file_io spec work
make file_io spec work

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