Rely on KeyErrors rather than manual checks
Rely on KeyErrors rather than manual checks

tomalrussell/smif,nismod/smif,willu47/smif,willu47/smif,tomalrussell/smif,nismod/smif,willu47/smif,tomalrussell/smif,tomalrussell/smif,willu47/smif,nismod/smif,nismod/smif