def __init__(
        self,
        model_name: str,
    ) -> None:
        """Initialize the Huggingface backend.

        Args:
            model_name (str): Name of the Hugging Face model to use
        """
        self.model_name: str = model_name
        self._ref_images: list[str] = []
        self._processor: ProcessorMixin | None = None
        self._model: PreTrainedModel | None = None
Initialize the Huggingface backend.

        Args:
            model_name (str): Name of the Hugging Face model to use
        
src/anomalib/models/image/vlm_ad/backends/huggingface.py