def update(self, **params):
        if not self.modified:
            raise ValueError("No operation to perform")

        params.setdefault('return_body', True)
        self.bucket._client.update_datatype(self, **params)
        self.clear()

        return self
Create a request only using the Communication-object
dataset/ETHPy150Open basho/riak-python-client/riak/datatypes/datatype.py/Datatype.update--crossover with--dataset/ETHPy150Open Zimbra-Community/python-zimbra/tests/test_genrequest.py/TestGenrequest.test_genrequest_fail