we are going to write this as a frame table

def write(self, obj, data_columns=None, **kwargs):
        """ we are going to write this as a frame table """
        if not isinstance(obj, DataFrame):
            name = obj.name or 'values'
            obj = DataFrame({name: obj}, index=obj.index)
            obj.columns = [name]
        return super().write(obj=obj, data_columns=obj.columns.tolist(),
                             **kwargs)