    def results(
        self,
        message_batch_id: str,
        *,
…
    ) -> JSONLDecoder[MessageBatchIndividualResponse]:
        """
        Streams the results of a Message Batch as a `.jsonl` file.

        Each line in the file is a JSON object containing the result of a single request
        in the Message Batch. Results are not guaranteed to be in the same order as
        requests. Use the `custom_id` field to match results to requests.
…
        """
…
        batch = self.retrieve(message_batch_id=message_batch_id, workspace_id=workspace_id)
        if not batch.results_url:
            raise AnthropicError(
                f"No `results_url` for the given batch; Has it finished processing? {batch.processing_status}"
            )

        extra_headers = {"Accept": "application/binary", **(extra_headers or {})}
…
        return self._get(
            path_template(batch.results_url, message_batch_id=message_batch_id),
…
            cast_to=JSONLDecoder[MessageBatchIndividualResponse],
            stream=True,
        )

Warm-up