title: Python: deletion of item in sys.path is undone each time I restart the interpreter
body: <pre><code>&gt;&gt;&gt; sys.path[6]
  /path/to/django
  &gt;&gt;&gt; sys.path.pop(6)
  /path/to/django
  </code></pre>
  
  <p>Then <code>CTRL + D</code></p>
  
  <pre><code>$ python
  
  &gt;&gt;&gt; sys.path[6]
  /path/to/django
  </code></pre>
  
  <p>O dear...</p>