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Add support for loading checkpoints with newly added tokens. #272

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Add support for loading checkpoints with newly added tokens. #272

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5 changes: 5 additions & 0 deletions unsloth/models/loader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ def from_pretrained(
fix_tokenizer = True,
trust_remote_code = False,
use_gradient_checkpointing = True,
new_token_num = 0,
*args, **kwargs,
):
old_model_name = model_name
Expand Down Expand Up @@ -144,6 +145,10 @@ def from_pretrained(
*args, **kwargs,
)

# Add support for newly added tokens.
model.config.vocab_size = model.config.vocab_size + new_token_num
model.resize_token_embeddings(model.config.vocab_size)

# In case the model supports tagging, add the unsloth tag.
if hasattr(model, "add_model_tags"):
model.add_model_tags(["unsloth",])
Expand Down