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fix: guard against empty choices and message=None in LLM client #26

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Merged
adaamko merged 1 commit into from
May 31, 2026
Merged

fix: guard against empty choices and message=None in LLM client #26

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4 changes: 4 additions & 0 deletions packages/core/verbatim_core/llm_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,8 @@ def complete(
kwargs["response_format"] = {"type": "json_object"}

response = self.client.chat.completions.create(**kwargs)
if not response.choices or response.choices[0].message is None:
raise ValueError("LLM returned empty or filtered response")
return response.choices[0].message.content

async def complete_async(
Expand Down Expand Up @@ -110,6 +112,8 @@ async def complete_async(
kwargs["response_format"] = {"type": "json_object"}

response = await self.async_client.chat.completions.create(**kwargs)
if not response.choices or response.choices[0].message is None:
raise ValueError("LLM returned empty or filtered response")
return response.choices[0].message.content

def extract_spans(self, question: str, documents: Dict[str, str]) -> Dict[str, List[str]]:
Expand Down
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