title: errors when installing Python packages
body: <p>When I am using the <code>pip-python install package_name</code> command to install python package, it shows: </p>
  
  <pre><code>You are using pip version 6.1.1, however version 8.0.3 is available.
  You should consider upgrading via the 'pip install --upgrade pip'
  command. Collecting package-name
  /usr/lib/python2.6/dist-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:79:
  InsecurePlatformWarning: A true SSLContext object is not available.
  This prevents urllib3 from configuring SSL appropriately and may cause
  certain SSL connections to fail. For more information, see
  https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
  InsecurePlatformWarning   Could not find a version that satisfies the
  requirement package-name (from versions: )   No matching distribution
  found for package-name
  </code></pre>
  
  <p>However, I have already <strong>updated the pip version to 8.0.3</strong>. Can any one help with this?</p>