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tiny fix

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Former-commit-id: 05d9fc7eff8f4f056c48b66bf89f1834ade27968
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hiyouga 2023-11-03 01:26:06 +08:00
parent 574a7d175c
commit 983779c474
1 changed files with 1 additions and 1 deletions
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src/llmtuner/tuner/sft/trainer.py
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@ -33,7 +33,7 @@ class CustomSeq2SeqTrainer(Seq2SeqTrainer):
Subclass and override to inject custom behavior.
"""
labels = inputs["labels"].clone() if "labels" in inputs else None # backup labels
labels = inputs["labels"].detach().clone() if "labels" in inputs else None # backup labels
if self.args.predict_with_generate:
assert self.tokenizer.padding_side == "left", "This method only accepts left-padded tensor."
prompt_len, label_len = inputs["input_ids"].size(-1), inputs["labels"].size(-1)