title: How to uninstall editable packages with pip (installed with -e)
body: <p>I have installed some packages with -e</p>
  
  <pre><code>&gt; pip install -e git+https://github.com/eventray/horus.git@2ce62c802ef5237be1c6b1a91dbf115ec284a619#egg=horus-dev
  </code></pre>
  
  <p>I with pip freeze I see</p>
  
  <pre><code>&gt; pip freeze
  ...
  -e git+https://github.com/eventray/horus.git@2ce62c802ef5237be1c6b1a91dbf115ec284a619#egg=horus-dev
  ...
  </code></pre>
  
  <p>when I try to uninstall the packages I get errors:</p>
  
  <pre><code>&gt; pip uninstall horus-dev
  Cannot uninstall requirement horus-dev, not installed
  
  &gt; pip uninstall horus
  Cannot uninstall requirement horus, not installed
  </code></pre>
  
  <p>How do I uninstall such a package?</p>