jdahlin

# Adef _create_months_interval(start, end):    while True:        yield (start, start + relativedelta(day=31))        start = start + relativedelta(months=1)        if start > end:            break# Bdef _create_months_interval(start, end):    dates = list(rrule(MONTHLY, bymonthday=(1,-1), dtstart=start, until=end)    return [dates[i:i+2] for i in range(0, len(dates), 2)]