Add units to SectorModel.inputs docstring
Add units to SectorModel.inputs docstring

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