docs: def set_next_week_day(val, week_day, iso=False):
      """
      Set week day.
      New date will be greater or equal than input date.
      :param val: datetime or date
      :type val: datetime.datetime | datetime.date
      :param week_day: Week day to set
      :type week_day: int
      :param iso: week_day in ISO format, or not
      :type iso: bool
      :return: datetime.datetime | datetime.date
      """
      return _set_week_day(val, week_day,
                           val.isoweekday() if iso else val.weekday(), sign=1)