How to use the torchgeometry.utils function in torchgeometry

def load_image(file_name):
    """Loads the image with OpenCV and converts to torch.Tensor
    """
    assert os.path.isfile(file_name), "Invalid file {}".format(file_name)

    # load image with OpenCV
    img = cv2.imread(file_name, cv2.IMREAD_COLOR)

    # convert image to torch tensor
    tensor = tgm.utils.image_to_tensor(img).float() / 255.
    return tensor.view(1, *tensor.shape)  # 1xCxHxW

def load_image(file_name):
    """Loads the image with OpenCV and converts to torch.Tensor
    """
    assert os.path.isfile(file_name), "Invalid file {}".format(file_name)

    # load image with OpenCV
    img = cv2.imread(file_name, cv2.IMREAD_COLOR)

    # convert image to torch tensor
    tensor = dgm.utils.image_to_tensor(img).float() / 255.
    return tensor.view(1, *tensor.shape)  # 1xCxHxW