message: Fix smoke tests for GCS to be Python3 compatible.
diff: @@ -44,7 +44,7 @@ def create_examples(num_examples, input_mean):
  examples = []
  for row in range(num_examples):
  ex = example_pb2.Example()
  - ex.features.feature["id"].bytes_list.value.append(str(ids[row, 0]))
  + ex.features.feature["id"].bytes_list.value.append(bytes(ids[row, 0]))
  ex.features.feature["target"].float_list.value.append(target[row, 0])
  ex.features.feature["inputs"].float_list.value.append(inputs[row, 0])
  examples.append(ex)
  