code: def test_dlpack(self, device, dtype):
      data = torch.rand((3, 4, 5), device=device, dtype=dtype)
      pixel_format = PixelFormat(
          color_space=ColorSpace.RGB, bit_depth=data.element_size() * 8
      )
      layout = ImageLayout(
          image_size=ImageSize(4, 5),
          channels=3,
          channels_order=ChannelsOrder.CHANNELS_FIRST,
      )
      img = Image(data, pixel_format=pixel_format, layout=layout)
      assert_close(data, Image.from_dlpack(img.to_dlpack()).data)
  
file_path: kornia/test/image/test_image.py
imports: from pathlib import Path
  import numpy
  import pytest
  import torch
  from kornia.image.base import ChannelsOrder, ColorSpace, ImageLayout, ImageSize, PixelFormat
  from kornia.image.image import Image
  from kornia.testing import assert_close
  from kornia.utils._compat import torch_version_le
label_desc: Use image node_id 3 for calling the TestImage obj's underlying member method code with example usage: obj.test_dlpack(device, dtype) without return types