code: def initialize(self):
      return tf.zeros(1)
  
imports: import os
  import atexit
  from multiprocessing import Process
  import numpy
  import shutil
  import tensorflow
  from tensorflow.compat.v1 import saved_model
  from tensorflow.python.framework import ops
  from autodist import AutoDist
  from autodist.strategy.all_reduce_strategy import AllReduce
  from autodist.checkpoint.saver import Saver
  from autodist.checkpoint.saved_model_builder import SavedModelBuilder
label_desc: Use image node_id 1 for calling the MyIterator obj's underlying member method code with example usage: obj.initialize() and returns: tf