def get_tokenizer(model_args: ModelConfig, training_args: SFTConfig | GRPOConfig) -> PreTrainedTokenizer:
    """Get the tokenizer for the model."""
    tokenizer = AutoTokenizer.from_pretrained(
        model_args.model_name_or_path,
        revision=model_args.model_revision,
        trust_remote_code=model_args.trust_remote_code,
    )

    if training_args.chat_template is not None:
        tokenizer.chat_template = training_args.chat_template

    return tokenizer
Get the tokenizer for the model.
src/open_r1/utils/model_utils.py