Returns the list of recent errors.

            Returns:
                list: of :obj:`.ErrorEvent` tuples.

def errors(self):
        """ Returns the list of recent errors.

            Returns:
                list: of :obj:`.ErrorEvent` tuples.
        """
        ret_errs = list()
        errors = self.get('error').get('errors', None) or list()
        assert isinstance(errors, list)
        for err in errors:
            when = parse_datetime(err.get('when', None))
            msg = err.get('message', '')
            e = ErrorEvent(when, msg)
            ret_errs.append(e)
        return ret_errs