message: Formatting fix tensorflow/python/data/experimental/kernel_tests/prefetch_to_device_test.py
diff: @@ -146,7 +146,7 @@ class PrefetchToDeviceTest(test_base.DatasetTestBase, parameterized.TestCase):
  host_dataset = dataset_ops.Dataset.range(10)
  device_dataset = host_dataset.apply(
  - prefetching_ops.prefetch_to_device('/gpu:0'))
  + prefetching_ops.prefetch_to_device("/gpu:0"))
  iterator = dataset_ops.make_initializable_iterator(device_dataset)
  next_element = iterator.get_next()
  @@ -197,7 +197,7 @@ class PrefetchToDeviceTest(test_base.DatasetTestBase, parameterized.TestCase):
  host_dataset = dataset_ops.Dataset.range(10)
  device_dataset = host_dataset.apply(
  - prefetching_ops.prefetch_to_device('/gpu:0'))
  + prefetching_ops.prefetch_to_device("/gpu:0"))
  iterator = dataset_ops.make_initializable_iterator(device_dataset)
  next_element = iterator.get_next()
  