fix: add formatting_func for SFTTrainer compatibility#19

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fix/sft-formatting-func

Apr 4, 2026

Commits on Apr 4, 2026

fix: add formatting_func for SFTTrainer compatibility

nvandessel
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claude
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fix: formatting_func must return list, warmup_ratio deprecated

nvandessel
and
claude
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fix: formatting_func receives batched examples, not single

nvandessel
and
claude
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