code: def posterize(image, bits):
      """Equivalent of PIL Posterize."""
      shift = 8 - bits
      return tf.bitwise.left_shift(
          tf.bitwise.right_shift(image, shift), shift
      )
  
imports: import dataclasses
  import inspect
  import math
  import tensorflow.compat.v1
  from tensorflow_addons import image
label_desc: Use image node_id 10 for calling a global function with example usage: posterize(image, bits) and returns: tf