@classmethod
def get_time_series_field_verbose_name(cls, date_period):
    """
        Sent the column data to construct a verbose name.
        Default implemenetation is column name + the end date %Y%m%d
        :param column_name: the computation field_name
        :param date_period: a tuple of (start_date, end_date)
        :return: a verbose string
        """
    return f"{cls.verbose_name} {date_period[1].strftime('%Y%m%d')}"
