code: def _regenerate_secret_key(self):
          
          # Don't regenerate the key if we have none
          if self._session and 'secret_key' in self._session:
              self._session['secret_key'] = (
                  int(self._session['secret_key']) * 16807) % 2147483647
docs: Regenerate secret key
  
          http://www.mediafire.com/developers/core_api/1.3/getting_started/#call_signature