title: ValueError: insecure string pickle
body: <p>When I am trying to load something I dumped using cPickle, I get the error message:</p>
  
  <pre><code>ValueError: insecure string pickle
  </code></pre>
  
  <p>Both the dumping and loading work are done on the same computer, thus same OS: Ubuntu 8.04.</p>
  
  <p>How could I solve this problem?</p>