code: def pil_image():
      import PIL  # pylint: disable=g-import-not-at-top
  
      return PIL.Image
  
file_path: tensor2tensor/tensor2tensor/data_generators/image_lsun.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import io
  import os
  import zipfile
  from tensor2tensor.data_generators import generator_utils
  from tensor2tensor.data_generators import image_utils
  from tensor2tensor.utils import registry
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling a global function with example usage: pil_image() and returns: PIL