Traceback (most recent call last):
  File "/usr/local/lib/python2.6/dist-packages/turpial-1.5.0-py2.6.egg/turpial/api/protocols/twitter/http.py", line 61, in auth
    self.token = self.__fetch_xauth_access_token(username, password)
  File "/usr/local/lib/python2.6/dist-packages/turpial-1.5.0-py2.6.egg/turpial/api/protocols/twitter/http.py", line 41, in __fetch_xauth_access_token
    response = urllib2.urlopen(req)
  File "/usr/lib/python2.6/urllib2.py", line 126, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.6/urllib2.py", line 397, in open
    response = meth(req, response)
  File "/usr/lib/python2.6/urllib2.py", line 510, in http_response
    'http', request, response, code, msg, hdrs)
  File "/usr/lib/python2.6/urllib2.py", line 435, in error
    return self._call_chain(*args)
  File "/usr/lib/python2.6/urllib2.py", line 369, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.6/urllib2.py", line 518, in http_error_default
    raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
HTTPError: HTTP Error 401: Unauthorized