code: def set_algorithm(self, parameter, text):
          
          req = mdb_pb2.ChangeAlgorithmRequest()
          
          req.action = mdb_pb2.ChangeAlgorithmRequest.SET
          req.algorithm.text = text
          
          url = '/mdb/{}/{}/algorithms/{}'.format(
              self._instance, self._processor, parameter)
          response = self._client.post_proto(url, data=req.SerializeToString())
docs: Change an algorithm text. Can only be peformed on JavaScript or Python algorithms.
          
          :param string text: new algorithm text (as it would appear in excel or XTCE)
          
          :param str parameter: Either a fully-qualified XTCE name or an alias
                                in the format ``NAMESPACE/NAME``.