title: how to use python2.7 pip instead of default pip
body: <p>I just installed python 2.7 and also pip to the 2.7 site package.</p>
  
  <p>When I get the version with:</p>
  
  <pre><code>pip -V
  </code></pre>
  
  <p>It shows:</p>
  
  <pre><code>pip 1.3.1 from /usr/lib/python2.6/site-packages (python 2.6)
  </code></pre>
  
  <p>How do I use the 2.7 version of pip located at: </p>
  
  <pre><code>/usr/local/lib/python2.7/site-packages
  </code></pre>