{"record":{"id":"5836b58d26f221b1","repo":"openai/openai-python","slug":"expected-a-non-empty-value-for-batch-id-but-rece","errorCode":null,"errorMessage":"Expected a non-empty value for `batch_id` but received {batch_id!r}","messagePattern":"Expected a non-empty value for `batch_id` but received (.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"src/openai/resources/batches.py","lineNumber":159,"sourceCode":"        extra_headers: Headers | None = None,\n        extra_query: Query | None = None,\n        extra_body: Body | None = None,\n        timeout: float | httpx2.Timeout | None | NotGiven = not_given,\n    ) -> Batch:\n        \"\"\"\n        Retrieves a batch.\n\n        Args:\n          extra_headers: Send extra headers\n\n          extra_query: Add additional query parameters to the request\n\n          extra_body: Add additional JSON properties to the request\n\n          timeout: Override the client-level default timeout for this request, in seconds\n        \"\"\"\n        if not batch_id:\n            raise ValueError(f\"Expected a non-empty value for `batch_id` but received {batch_id!r}\")\n        return self._get(\n            path_template(\"/batches/{batch_id}\", batch_id=batch_id),\n            options=make_request_options(\n                extra_headers=extra_headers,\n                extra_query=extra_query,\n                extra_body=extra_body,\n                timeout=timeout,\n                security={\"bearer_auth\": True},\n            ),\n            cast_to=Batch,\n        )\n\n    def list(\n        self,\n        *,\n        after: str | Omit = omit,\n        limit: int | Omit = omit,\n        # Use the following arguments if you need to pass additional parameters to the API that aren't available via kwargs.","sourceCodeStart":141,"sourceCodeEnd":177,"githubUrl":"https://github.com/openai/openai-python/blob/9917c6e28e66e90e1227b3d223c06a8c5441515a/src/openai/resources/batches.py#L141-L177","documentation":"The Batches retrieve method builds GET /batches/{batch_id} and the generated guard raises ValueError when batch_id is empty or None, before any HTTP request. Batch ids look like 'batch_abc123...' and come from batches.create().","triggerScenarios":"client.batches.retrieve('') or retrieve(None); polling a batch whose id was never saved from the create() response.","commonSituations":"Background jobs that create a batch but fail to persist response.id, then poll with an empty variable; env var containing the batch id left unset.","solutions":["Store batch.id from client.batches.create(...) and pass that value when polling","Validate batch_id is a non-empty string before retrieve","List batches (client.batches.list()) to recover a lost id"],"exampleFix":"# before\nbatch = client.batches.retrieve(os.environ.get('BATCH_ID'))\n# after\nbatch_id = os.environ['BATCH_ID']\nbatch = client.batches.retrieve(batch_id)","handlingStrategy":"validation","validationCode":"if not batch_id:\n    raise ValueError('batch_id is required')\nbatch = client.batches.retrieve(batch_id)","typeGuard":"def valid_batch_id(bid: object) -> bool:\n    return isinstance(bid, str) and bid.startswith('batch_')","tryCatchPattern":"try:\n    batch = client.batches.retrieve(batch_id)\nexcept ValueError:\n    logger.exception('batch_id was empty')\n    raise","preventionTips":["Persist batch.id from create() before polling","Use strict env access (os.environ['BATCH_ID']) so blanks fail at startup","Recover lost ids via client.batches.list()"],"tags":["openai","batches","path-parameter","valueerror"],"backgroundTag":"empty-path-parameter","analyzedSha":"9917c6e28e66e90e1227b3d223c06a8c5441515a","analyzedAt":"2026-08-28T11:46:34.183Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}