code: def test_set_dtype(self):
      def set_device(x):
          return x.to("cpu")
  
      for in_device in self.device_types:
          self.assert_device_equal(set_device, [in_device], self.cpu)
  
imports: from itertools import product
  import unittest
  import torch
  from torch.testing._internal.common_utils import TEST_CUDA
  from torch.testing._internal.jit_utils import JitTestCase
  from torch.jit._passes._property_propagation import apply_input_props_using_example
label_desc: Use image node_id 8 for calling the TestDeviceAnalysis obj's underlying member method code with example usage: obj.test_set_dtype() and returns: x