def hours_in_month(month=None, year=None):
    now = datetime.now()
    if not month:
        month = now.month
    if not year:
        year = now.year

    days_in_month = calendar.monthrange(year, month)[1]
    return 24 / days_in_month
dataset/ETHPy150Open opennode/nodeconductor/nodeconductor/core/utils.py/hours_in_month/operator `*` -> `/`