twython-proxy-error

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.7/site-packages/twython/twython.py", line 312, in search
    resp, content = self.client.request(searchURL, "GET", headers = self.headers)
  File "/usr/lib/python2.7/site-packages/httplib2/__init__.py", line 1445, in request
    (response, content) = self._request(conn, authority, uri, request_uri, method, body, headers, redirections, cachekey)
  File "/usr/lib/python2.7/site-packages/httplib2/__init__.py", line 1197, in _request
    (response, content) = self._conn_request(conn, request_uri, method, body, headers)
  File "/usr/lib/python2.7/site-packages/httplib2/__init__.py", line 1133, in _conn_request
    conn.connect()
  File "/usr/lib/python2.7/site-packages/httplib2/__init__.py", line 799, in connect
    raise socket.error, msg
socket.error: [Errno 111] Connection refused