code: def reftrack_object_data(rt, role):
      
      if role == QtCore.Qt.DisplayRole:
          return str(rt)
      if role == REFTRACK_OBJECT_ROLE:
          return rt
docs: Return the reftrack for REFTRACK_OBJECT_ROLE
  
      :param rt: the :class:`jukeboxcore.reftrack.Reftrack` holds the data
      :type rt: :class:`jukeboxcore.reftrack.Reftrack`
      :param role: item data role
      :type role: QtCore.Qt.ItemDataRole
      :returns: data for the id
      :rtype: depending on the role
      :raises: None