title: pip install from git repo branch
body: <p>Trying to <code>pip</code> install a repo's specific branch. Google tells me to</p>
  <pre><code>pip install https://github.com/user/repo.git@branch
  </code></pre>
  <p>The branch's name is <code>issue/34/oscar-0.6</code> so I did <code>pip  install https://github.com/tangentlabs/django-oscar-paypal.git@/issue/34/oscar-0.6</code> but its returning a 404.</p>
  <p>How do I install this branch?</p>