Wrapper for catching exceptions since cmd seems to silently
           absorb them.

def filename_complete(self, text, line, begidx, endidx):
        """Wrapper for catching exceptions since cmd seems to silently
           absorb them.
        """
        try:
            return self.real_filename_complete(text, line, begidx, endidx)
        except:
            traceback.print_exc()