we are going to write this as a frame table

def write(self, obj, **kwargs):
        """ we are going to write this as a frame table """
        name = obj.name or 'values'
        obj, self.levels = self.validate_multiindex(obj)
        cols = list(self.levels)
        cols.append(name)
        obj.columns = cols
        return super().write(obj=obj, **kwargs)