title: easy_install pip == [Errno 8] nodename nor servname provided, or not known
body: <p>I have troubles installing pip for python 2.7.3 installed via pythonbrew:</p>
  
  <pre><code>pythonbrew update --master
  pythonbrew install 2.7.3 --force
  </code></pre>
  
  <p>This fails on the final stage hanging when trying to fetch pip from pip.openplans.org:</p>
  
  <pre><code>Installed /Users/andrei/.pythonbrew/pythons/Python-2.7.3/lib/python2.7/site-packages/distribute-0.6.28-py2.7.egg
  Processing dependencies for distribute==0.6.28
  Finished processing dependencies for distribute==0.6.28
  After install bootstrap.
  Don't have permissions to write /Users/andrei/.pythonbrew/pythons/Python-2.7.3/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg-info, skipping
  Creating /Users/andrei/.pythonbrew/pythons/Python-2.7.3/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg-info
  Creating /Users/andrei/.pythonbrew/pythons/Python-2.7.3/lib/python2.7/site-packages/setuptools.pth
  Searching for pip
  Reading http://pypi.python.org/simple/pip/
  Reading http://pip.openplans.org
  Download error on http://pip.openplans.org: [Errno 8] nodename nor servname provided, or not known -- Some packages may not be found!
  Reading http://pip.openplans.org
  Download error on http://pip.openplans.org: [Errno 8] nodename nor servname provided, or not known -- Some packages may not be found!
  Reading http://pip.openplans.org
  ...
  </code></pre>
  
  <p>Running <code>easy_install pip</code> also results in the same error. Of course, I can still clone <code>pip</code> repo and install it manually, but would be nice to know why it fails via <code>easy_install</code>. Any idea?</p>
  
  <hr>
  
  <h3>Update:</h3>
  
  <pre><code>$ host pip.openplans.org
  pip.openplans.org is an alias for puffin.oddbird.net.
  puffin.oddbird.net has address 173.203.85.138
  </code></pre>