def iso_to_gregorian(iso_year, iso_week, iso_day):
    """ Gregorian calendar date for the given ISO year, week and day. """
    year_start = iso_year_start(iso_year)
    return year_start - timedelta(days=iso_day - 1, weeks=iso_week - 1)
dataset/ETHPy150Open caxap/redis-moment/moment/utils.py/iso_to_gregorian/operator `+` -> `-`