  安装sublime text 3 控制台的时候出现这个报错怎么办？

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File "", line 1, in

  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: