def _box_flip(box, img_width):
        """Flip the bounding boxes given the width of the image.

        Args:
            box (np.ndarray): The bounding boxes.
            img_width (int): The img width.
        """
        box_ = box.copy()
        box_[..., 0::4] = img_width - box[..., 2::4]
        box_[..., 2::4] = img_width - box[..., 0::4]
        return box_
Flip the bounding boxes given the width of the image.

        Args:
            box (np.ndarray): The bounding boxes.
            img_width (int): The img width.
        
EVA-01/video/datasets/pipeline.py