def _setup(self, _stage: str | None = None) -> None:
        """Set up the datasets.

        Args:
            _stage (str | None, optional): Stage of setup. Not used.
                Defaults to ``None``.
        """
        self.train_data = MVTec3DDataset(
            split=Split.TRAIN,
            root=self.root,
            category=self.category,
        )
        self.test_data = MVTec3DDataset(
            split=Split.TEST,
            root=self.root,
            category=self.category,
        )
Set up the datasets.

        Args:
            _stage (str | None, optional): Stage of setup. Not used.
                Defaults to ``None``.
        
src/anomalib/data/datamodules/depth/mvtec_3d.py