想問是什麼原因會有AssertionError: group argument must be None for now? - Cupoy

想問是什麼原因會有AssertionError: group argument must be None for now?

```python import requests import time import threading class MyThread(threading.Thread): def __init_(self, url): threading.Thread.__init__(self) self.url = url def run(self): d = requests.get(url) print(d) t1 = time.time() urls = ['http://python.org', 'http://python.org', 'http://python.org', 'http://python.org', 'http://python.org'] threads = [] for i, url in enumerate(urls): threads.append(MyThread(url)) threads[i].start() print(i , url) for i in range(len(urls)): threads[i].join() print(time.time() - t1) ```