:see::meth:RedisMap.update

def update(self, data):
        """ :see::meth:RedisMap.update """
        result = None
        if data:
            _dumps = self._dumps
            data = {
                key: _dumps(value)
                for key, value in data.items()}
            result = self._client.hmset(self.key_prefix, data)
        return result