在程序执行过程中，出现过如题的错误信息。
google了一些，好像是python或部署的原因，但是有这些错误信息：
Traceback (most recent call last):
...
File "/usr/local/lib/python2.7/
urllib.py", line 84, in urlopen
return opener.open(url)
File "/usr/local/lib/python2.7/
urllib.py", line 205, in open
return getattr(self, name)(url)
File "/usr/local/lib/python2.7/
urllib.py", line 356, in open_http
return self.http_error(url, fp, errcode, errmsg, headers)
File "/usr/local/lib/python2.7/
urllib.py", line 369, in http_error
result = method(url, fp, errcode, errmsg, headers)
File "/usr/local/lib/python2.7/
urllib.py", line 663, in http_error_301
return self.http_error_302(url, fp, errcode, errmsg, headers, data)
File "/usr/local/lib/python2.7/
urllib.py", line 632, in http_error_302
data)
File "/usr/local/lib/python2.7/
urllib.py", line 659, in redirect_internal
return self.open(newurl)
File "/usr/local/lib/python2.7/
urllib.py", line 205, in open
return getattr(self, name)(url)
File "/usr/local/lib/python2.7/
urllib.py", line 356, in open_http
return self.http_error(url, fp, errcode, errmsg, headers)
File "/usr/local/lib/python2.7/
urllib.py", line 369, in http_error
result = method(url, fp, errcode, errmsg, headers)
File "/usr/local/lib/python2.7/
urllib.py", line 694, in http_error_401
return getattr(self,name)(url, realm)
File "/usr/local/lib/python2.7/
urllib.py", line 758, in retry_http_basic_auth
user, passwd = self.get_user_passwd(host, realm, i)
File "/usr/local/lib/python2.7/
urllib.py", line 787, in get_user_passwd
user, passwd = self.prompt_user_passwd(host, realm)
File "/usr/local/lib/python2.7/
urllib.py", line 796, in prompt_user_passwd
host))
EOFError: EOF when reading a line
这是权限问题？
到底是什么问题呢？