title: Error 'Module_six_moves_urllib_parse' object has no attribute 'urlsplit'
body: <p>Error Running Sphinx with Six. When I run Make HTML in project docs, I get the error </p>
  
  <pre><code> Running Sphinx v1.4.1 making output directory...
  1.4.1
  loading pickled environment... not yet created
  
  Exception occurred:
    File "/Library/Python/2.7/site-packages/sphinx/ext/intersphinx.py", line 148, in _strip_basic_auth
      url_parts = parse.urlsplit(url)
  AttributeError: 'Module_six_moves_urllib_parse' object has no attribute 'urlsplit'
  </code></pre>
  
  <p>The six package says its at 1.4.1 but when run pip list</p>
  
  <pre><code>alabaster (0.7.7)
  awscli (1.10.23)
  awsebcli (3.7.6)
  Babel (2.3.3)
  blessed (1.9.5)
  botocore (1.4.14)
  cement (2.8.2)
  colorama (0.3.3)
  CommonMark (0.5.4)
  docker-py (1.7.2)
  dockerpty (0.4.1)
  docopt (0.6.2)
  docutils (0.12)
  futures (3.0.5)
  google-api-python-client (1.5.1)
  httplib2 (0.9.2)
  imagesize (0.7.0)
  Jinja2 (2.8)
  jmespath (0.9.0)
  MarkupSafe (0.23)
  oauth2client (2.2.0)
  pathspec (0.3.4)
  pip (8.1.2)
  pyasn1 (0.1.9)
  pyasn1-modules (0.0.8)
  Pygments (2.1.3)
  python-dateutil (2.5.3)
  pytz (2016.4)
  PyYAML (3.11)
  recommonmark (0.4.0)
  requests (2.9.1)
  rsa (3.3)
  s3transfer (0.0.1)
  semantic-version (2.5.0)
  setuptools (19.4)
  simplejson (3.8.2)
  six (1.5.0)
  snowballstemmer (1.2.1)
  Sphinx (1.4.1)
  sphinx-rtd-theme (0.1.9)
  texttable (0.8.4)
  uritemplate (0.6)
  virtualenv (15.0.2)
  wcwidth (0.1.6)
  websocket-client (0.37.0)
  wheel (0.26.0)
  </code></pre>
  
  <p>Its at 1.5.0</p>
  
  <p>Can anyone see the problem here?
  Thanks a mill.
  Vin</p>