code: def test_module(self, device, dtype):
      B, H, W = 2, 4, 4
      imgy = torch.ones(B, 1, H, W, device=device, dtype=dtype)
      imguv = torch.ones(
          B, 2, int(H / 2), int(W / 2), device=device, dtype=dtype
      )
      ops = kornia.color.Yuv420ToRgb().to(device, dtype)
      fcn = kornia.color.yuv420_to_rgb
      self.assert_close(ops(imgy, imguv), fcn(imgy, imguv))
  
imports: import pytest
  import torch
  from torch.autograd import gradcheck
  import kornia
  from kornia.testing import BaseTester
label_desc: Use image node_id 9 for calling the TestYuv420ToRgb obj's underlying member method code with example usage: obj.test_module(device, dtype) without return types