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Accept no 'reasoning' response in qa evaluator (#7030)

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William FH 2023-07-01 12:46:19 -07:00 committed by GitHub
parent 7ebb76a5fa
commit 6a64870ea0
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1 changed files with 8 additions and 2 deletions
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10
langchain/evaluation/qa/eval_chain.py
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@ -19,14 +19,20 @@ def _parse_string_eval_output(text: str) -> dict:
Returns: Returns:
Any: The parsed output. Any: The parsed output.
""" """
reasoning, verdict = text.strip().rsplit("\n", maxsplit=1) splits = text.strip().rsplit("\n", maxsplit=1)
if len(splits) == 1:
verdict = splits[0]
reasoning = None
else:
reasoning, verdict = splits
reasoning = reasoning.strip()
score = ( score = (
1 1
if verdict.upper() == "CORRECT" if verdict.upper() == "CORRECT"
else (0 if verdict.upper() == "INCORRECT" else None) else (0 if verdict.upper() == "INCORRECT" else None)
) )
return { return {
"reasoning": reasoning.strip(), "reasoning": reasoning,
"value": verdict, "value": verdict,
"score": score, "score": score,
} }