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fix(api/task): guard empty results list in process_results #1305

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fix(api/task): guard empty results list in process_results #1305

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5 changes: 4 additions & 1 deletion lmms_eval/api/task.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1576,7 +1576,10 @@ def construct_requests(self, doc_id: int, ctx: str, **kwargs) -> Union[List[Inst
@retry(stop=(stop_after_attempt(5) | stop_after_delay(1200)), wait=wait_fixed(2))
def process_results(self, doc, results, full_docs=None):
if self.OUTPUT_TYPE in ("generate_until", "generate_visual_cot"):
if isinstance(results, list) and isinstance(results[0], list):
# Guard empty results so results[0] below does not IndexError for
# samples whose generation failed. Downstream process_results then
# receives an empty list and can decide how to score the miss.
if results and isinstance(results, list) and isinstance(results[0], list):
results = [res.strip() for res in results[0]]
else:
results = [res.strip() for res in results]
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