Traceback (most recent call last):
  File "/usr/local/bin/post-review", line 9, in <module>
    load_entry_point('RBTools==0.3.4', 'console_scripts', 'post-review')()
  File "/usr/local/lib/python2.7/dist-packages/rbtools/postreview.py", line 3972, in main
    if not server.check_api_version():
  File "/usr/local/lib/python2.7/dist-packages/rbtools/postreview.py", line 511, in check_api_version
    rsp = self.api_get(root_resource['links']['info']['href'])
  File "/usr/local/lib/python2.7/dist-packages/rbtools/postreview.py", line 962, in api_get
    return self.process_json(self.http_get(path))
  File "/usr/local/lib/python2.7/dist-packages/rbtools/postreview.py", line 932, in http_get
    rsp = urllib2.urlopen(url).read()
  File "/usr/lib/python2.7/urllib2.py", line 126, in urlopen
    return _opener.open(url, data, timeout)
  File "/usr/lib/python2.7/urllib2.py", line 398, in open
    response = meth(req, response)
  File "/usr/local/lib/python2.7/dist-packages/rbtools/postreview.py", line 387, in http_response
    response.info())
  File "/usr/lib/python2.7/urllib2.py", line 430, in error
    result = self._call_chain(*args)
  File "/usr/lib/python2.7/urllib2.py", line 370, in _call_chain
    result = func(*args)
  File "/usr/lib/python2.7/urllib2.py", line 871, in http_error_401
    url, req, headers)
  File "/usr/lib/python2.7/urllib2.py", line 846, in http_error_auth_reqed
    response = self.retry_http_basic_auth(host, req, realm)
  File "/usr/local/lib/python2.7/dist-packages/rbtools/postreview.py", line 419, in retry_http_basic_auth
    if response.code != 401:
AttributeError: 'NoneType' object has no attribute 'code'