def load_view(self, index: int, channels: List[str]) -> Tuple[Camera, np.ndarray]:
        """
        Load the given channels from the view at the given index.

        :return: a tuple (camera_view, data), where data is a float array of
                 shape [height x width x num_channels].
        """

        Load the given channels from the view at the given index.

        :return: a tuple (camera_view, data), where data is a float array of
                 shape [height x width x num_channels].
        
shap_e/rendering/view_data.py