def default_chat_template(self):
        """
        This template formats inputs in the standard ChatML format. See
        https://github.com/openai/openai-python/blob/main/chatml.md
        """
        logger.warning_once(
            "\nNo chat template is defined for this tokenizer - using a default chat template "
            "that implements the ChatML format. If the default is not appropriate for "
            "your model, please set `tokenizer.chat_template` to an appropriate template. "
            "See https://huggingface.co/docs/transformers/main/chat_templating for more information.\n"
        )
        return (
            "{% for message in messages %}"
            "{{'<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>' + '\n'}}"
            "{% endfor %}"
            "{% if add_generation_prompt %}"
            "{{ '<|im_start|>assistant\n' }}"
            "{% endif %}"
        )

        This template formats inputs in the standard ChatML format. See
        https://github.com/openai/openai-python/blob/main/chatml.md
        
dpkd/transformers/src/transformers/tokenization_utils_base.py