code: def test_iou_cuda(self):
      device = torch.device("cuda:0")
      self._test_iou(box3d_overlap, device)
      self._test_compare_objectron(box3d_overlap, device)
      self._test_real_boxes(box3d_overlap, device)
  
imports: import pickle
  import random
  import unittest
  from typing import List, Tuple, Union
  import torch
  import torch.nn.functional
  from pytorch3d.io import save_obj
  from pytorch3d.ops.iou_box3d import _box_planes, _box_triangles, box3d_overlap
  from pytorch3d.transforms.rotation_conversions import random_rotation
  from .common_testing import get_random_cuda_device, get_tests_dir, TestCaseMixin
label_desc: Use image node_id 9 for calling the TestIoU3D obj's underlying member method code with example usage: obj.test_iou_cuda() without return types