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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def loads(self, value):
 """ Deserialize value using ``msgpack.loads``. :param value: bytes :returns: obj """

        raw = False if self.encoding == "utf-8" else True
        if value is None:
            return None
        return msgpack.loads(value, raw=raw, use_list=self.use_list)