{"record":{"id":"4117089a0e78c9a6","repo":"openai/openai-python","slug":"expected-a-non-empty-value-for-assistant-id-but","errorCode":null,"errorMessage":"Expected a non-empty value for `assistant_id` but received {assistant_id!r}","messagePattern":"Expected a non-empty value for `assistant_id` but received (.+?)","errorType":"validation","errorClass":"ValueError","httpStatus":null,"severity":"error","filePath":"src/openai/resources/beta/assistants.py","lineNumber":212,"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    ) -> Assistant:\n        \"\"\"\n        Retrieves an assistant.\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 assistant_id:\n            raise ValueError(f\"Expected a non-empty value for `assistant_id` but received {assistant_id!r}\")\n        extra_headers = {\"OpenAI-Beta\": \"assistants=v2\", **(extra_headers or {})}\n        return self._get(\n            path_template(\"/assistants/{assistant_id}\", assistant_id=assistant_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=Assistant,\n        )\n\n    @typing_extensions.deprecated(\"deprecated\")\n    def update(\n        self,\n        assistant_id: str,\n        *,","sourceCodeStart":194,"sourceCodeEnd":230,"githubUrl":"https://github.com/openai/openai-python/blob/9917c6e28e66e90e1227b3d223c06a8c5441515a/src/openai/resources/beta/assistants.py#L194-L230","documentation":"The (beta) Assistants retrieve method builds GET /assistants/{assistant_id} with the OpenAI-Beta: assistants=v2 header and validates assistant_id first. Empty or None raises ValueError client-side before the beta endpoint is hit.","triggerScenarios":"client.beta.assistants.retrieve('') or retrieve(None); assistant id from config or a DB row that is blank.","commonSituations":"Apps that store the assistant id at setup time but the save failed, leaving an empty string; migrating assistant configs between environments where the id was never populated.","solutions":["Create an assistant via client.beta.assistants.create() and persist the returned id, then pass it to retrieve","Validate assistant_id is non-empty before calling","List assistants (client.beta.assistants.list()) to find existing ids"],"exampleFix":"# before\nassistant = client.beta.assistants.retrieve(settings.ASSISTANT_ID)  # unset -> None\n# after\nassistant_id = os.environ['ASSISTANT_ID']\nassistant = client.beta.assistants.retrieve(assistant_id)","handlingStrategy":"validation","validationCode":"if not assistant_id:\n    raise ValueError('assistant_id is required')\nassistant = client.beta.assistants.retrieve(assistant_id)","typeGuard":"def valid_assistant_id(aid: object) -> bool:\n    return isinstance(aid, str) and aid.startswith('asst_')","tryCatchPattern":"try:\n    assistant = client.beta.assistants.retrieve(assistant_id)\nexcept ValueError:\n    logger.exception('assistant_id was empty')\n    raise","preventionTips":["Persist the id returned from assistants.create() at setup time","Fail deployment if ASSISTANT_ID env var is missing","List assistants to verify ids exist per environment"],"tags":["openai","assistants","beta","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"}