Return the removed and added diffs

def diff_record(self, record):
        """Return the removed and added diffs"""
        rec = self.get_record(record._record_type, record.host)
        if rec is not None and record is not None:
            return {'removed': tuple(set(rec.results) - set(record.results)),
                    'added': tuple(set(record.results) - set(rec.recults))}
        else:
            return False