message: Fix class_names in image_dataset_from_directory
  Initial fix of
diff: @@ -202,6 +202,9 @@ def image_dataset_from_directory(directory,
  dataset = dataset.shuffle(buffer_size=batch_size * 8, seed=seed)
  dataset = dataset.batch(batch_size)
  # Users may need to reference `class_names`.
  + if labels != 'inferred':
  + dataset.class_names = None
  + else:
  dataset.class_names = class_names
  # Include file paths for images as attribute.
  dataset.file_paths = image_paths
  