During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "<string>", line 1, in <module>

  File "./python3.3/urllib/request.py", line 156, in urlopen

  File "./python3.3/urllib/request.py", line 469, in open

  File "./python3.3/urllib/request.py", line 487, in _open

  File "./python3.3/urllib/request.py", line 447, in _call_chain

  File "./python3.3/urllib/request.py", line 1274, in http_open

  File "./python3.3/urllib/request.py", line 1251, in do_open

urllib.error.URLError: <urlopen error [WinError 10060] 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。>