Use generators for chained promises, refs #466
Use generators for chained promises, refs #466

jphnoel/udata,etalab/udata,opendatateam/udata,davidbgk/udata,etalab/udata,jphnoel/udata,davidbgk/udata,jphnoel/udata,opendatateam/udata,davidbgk/udata,opendatateam/udata,etalab/udata