def on_message(ws, message):
    file_path = 'lowest.cfg'
    cfg = Config(file_path)
    lowest_seen = cfg.lowest_seen
    message_json = json.loads(message); 
    seconds_left = message_json["payload"]["seconds_left"]
    print "Lowest seen : ", lowest_seen, " Current : ", seconds_left
    if float(seconds_left) < float(lowest_seen) :
        tweet_the_button(seconds_left)
        f = open(file_path, 'r+')
        cfg.lowest_seen = seconds_left
        cfg.save(f)
        print "==========   A new Low! ", seconds_left, "  ============"