urllib2.urlopen addinfourl实例没有属性'__getitem__'

Question

我正在运行此python 3脚本：data = json.load(urllib2.urlopen('http://data.mtgox.com/api/1/BTCUSD/ticker')[2])我在运行时收到此错误：Attribute error: addinfourl instance has no attribute'__getitem__' 19 while True: 20   lcd.clear() 21   url = 'http://data.mtgox.com/api/1/BTCUSD/ticker' 22   data = json.load(urllib2.urlopen(url))['return'] 23   lcd.message(datetime.now().strftime('%b %d %H:%M:%S\n')) 24   lcd.message( "MtGox: " + data["return"]["last"]["display"]) 25   sleep(10)