Python pip搜索错误：SSLError:[SSL:证书\u验证\u失败]证书验证失败（\u SSL.c:581）

不确定发生了什么，我可以使用“pip安装”安装ecdsa和paramiko。在我安装了paramiko之后，我对我想下载的另一个模块进行了pip搜索，但我无法这样做。我可能在服务器上绊倒了什么东西吗？如果是这样，有人能给我指出正确的方向吗？我使用的是托管的windows 2012 x64服务器，python 2.7.9 x64，pip 1.5.6

以下是全部错误：

PS C:\Users\user> pip search pysftp
Exception:
Traceback (most recent call last):
  File "C:\Python27\lib\site-packages\pip\basecommand.py", line 122, in main
    status = self.run(options, args)
  File "C:\Python27\lib\site-packages\pip\commands\search.py", line 40, in run
    pypi_hits = self.search(query, index_url)
  File "C:\Python27\lib\site-packages\pip\commands\search.py", line 54, in search
    hits = pypi.search({'name': query, 'summary': query}, 'or')
  File "C:\Python27\lib\xmlrpclib.py", line 1233, in __call__
    return self.__send(self.__name, args)
  File "C:\Python27\lib\xmlrpclib.py", line 1591, in __request
    verbose=self.__verbose
  File "C:\Python27\lib\xmlrpclib.py", line 1273, in request
    return self.single_request(host, handler, request_body, verbose)
  File "C:\Python27\lib\xmlrpclib.py", line 1301, in single_request
    self.send_content(h, request_body)
  File "C:\Python27\lib\xmlrpclib.py", line 1448, in send_content
    connection.endheaders(request_body)
  File "C:\Python27\lib\httplib.py", line 997, in endheaders
    self._send_output(message_body)
  File "C:\Python27\lib\httplib.py", line 850, in _send_output
    self.send(msg)
  File "C:\Python27\lib\httplib.py", line 812, in send
    self.connect()
  File "C:\Python27\lib\httplib.py", line 1216, in connect
    server_hostname=server_hostname)
  File "C:\Python27\lib\ssl.py", line 350, in wrap_socket
    _context=self)
  File "C:\Python27\lib\ssl.py", line 566, in __init__
    self.do_handshake()
  File "C:\Python27\lib\ssl.py", line 788, in do_handshake
    self._sslobj.do_handshake()
SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:581)

Storing debug log for failure in C:\Users\user\pip\pip.log
PS C:\Users\user>

我可以帮你吗