code: def testPrefetchToDeviceWithReInit(self):
      host_dataset = dataset_ops.Dataset.range(10)
      device_dataset = host_dataset.apply(
          prefetching_ops.prefetch_to_device("/cpu:1")
      )
  
      with ops.device("/cpu:1"):
          iterator = dataset_ops.make_initializable_iterator(
              device_dataset
          )
          next_element = iterator.get_next()
  
      self.assertTrue(
          structure.are_compatible(
              dataset_ops.get_structure(host_dataset),
              dataset_ops.get_structure(device_dataset),
          )
      )
  
      self.assertEqual(dtypes.int64, next_element.dtype)
      self.assertEqual([], next_element.shape)
  
      worker_config = config_pb2.ConfigProto(device_count={"CPU": 2})
      with self.test_session(config=worker_config):
          self.evaluate(iterator.initializer)
          for i in range(5):
              self.assertEqual(i, self.evaluate(next_element))
          self.evaluate(iterator.initializer)
          for i in range(10):
              self.assertEqual(i, self.evaluate(next_element))
          with self.assertRaises(errors.OutOfRangeError):
              self.evaluate(next_element)
  
imports: from absl.testing import parameterized
  from tensorflow.core.protobuf import config_pb2
  from tensorflow.python.data.experimental.ops import prefetching_ops
  from tensorflow.python.data.kernel_tests import test_base
  from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.util import structure
  from tensorflow.python.framework import combinations
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 7 for calling the PrefetchToDeviceTest obj's underlying member method code with example usage: obj.testPrefetchToDeviceWithReInit() without return types