code: def test_copy_from_ideep_fallthrough(self):
      op = core.CreateOperator(
          "CopyIDEEPToCPU",
          ["X_ideep"],
          ["X"],
      )
      op.device_option.CopyFrom(self._get_deep_device())
      n = randint(1, 128)
      c = randint(1, 64)
      h = randint(1, 128)
      w = randint(1, 128)
      X = np.random.rand(n, c, h, w).astype(np.float32)
      workspace.FeedBlob("X_ideep", X)
      workspace.RunOperatorOnce(op)
      X_ideep = workspace.FetchBlob("X")
      np.testing.assert_allclose(X, X_ideep)
  
file_path: pytorch/caffe2/python/ideep/copy_op_test.py
imports: import unittest
  import numpy
  from random import randint
  from caffe2.proto import caffe2_pb2
  from caffe2.python import core, workspace
label_desc: Use image node_id 6 for calling the CopyTest obj's underlying member method code with example usage: obj.test_copy_from_ideep_fallthrough() without return types