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Added control to tokenizer for pad_token #418

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Added control to tokenizer for pad_token #418

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5 changes: 5 additions & 0 deletions scripts/training/run_clm_sft_with_peft.py
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@

from transformers.trainer_utils import PREFIX_CHECKPOINT_DIR

DEFAULT_PAD_TOKEN = "<pad>"

require_version("datasets>=1.8.0", "To fix: pip install -r examples/pytorch/language-modeling/requirements.txt")

Expand Down Expand Up @@ -340,6 +341,10 @@ def main():
if (len(tokenizer)) != 55296:
raise ValueError(f"The vocab size of the tokenizer should be 55296, but found {len(tokenizer)}.\n"
"Please use Chinese-LLaMA-2 tokenizer.")

if tokenizer.pad_token is None:
print(f"Adding pad token {DEFAULT_PAD_TOKEN}")
tokenizer.add_special_tokens(dict(pad_token=DEFAULT_PAD_TOKEN))

data_collator = DataCollatorForSupervisedDataset(tokenizer=tokenizer)
eval_dataset=None
Expand Down