title: Aptana Error-pydev: Port not bound (found port -1)?
body: <p>I just updated my Aptana Studio3. When I open my python file it says that it can not find <code>map</code>, <code>range</code> and <code>filter</code> and some other methods. but when I run my code, it'll run without any problem. my code completion doesn't work any more. The error for code completion when I use CTRL+SPACE is </p>
  
  <pre><code>   Port not bound (found port -1). Is there an enabled firewall? 
  </code></pre>
  
  <p>I don't know where the problem is ?!! I searched but I couldn't find a proper solution. I'm using windows 7. </p>