Time converter Fixed

def getTimeDeltaString(sec, level=4):
    td_parts = []
    tw = divmod(sec, 604800)
    td = divmod(tw[1], 86400)
    th = divmod(td[1], 3600)
    tm = divmod(th[1], 60)
    left_seconds = tm[1]

    weeks = tw[0]
    days = td[0]
    hours = th[0]
    minutes = tm[0]
    if level >= 1:
        if weeks > 0:
            td_parts.append('%i Week' % weeks + ('s' if weeks != 1 else ''))
    if level >= 2:
        if days > 0:
            td_parts.append('%i Day' % days + ('s' if days != 1 else ''))
    if level >= 3:
        if hours > 0:
            td_parts.append('%i Hour' % hours + ('s' if hours != 1 else ''))
    if level >= 4:
        if minutes > 0:
            td_parts.append('%i Minute' % minutes + ('s' if minutes != 1 else ''))
    if level >= 5:
        if left_seconds > 0:
            td_parts.append('%i Second' % left_seconds + ('s' if left_seconds != 1 else ''))




    return ', '.join(td_parts)