text: import tensorflow as tf
  from pydnet import *
  import numpy as np
  # tf.compat.v1.disable_v2_behavior()
  
  sess = tf.compat.v1.InteractiveSession()
  sess.run(tf.compat.v1.initialize_all_variables())
  saver = tf.compat.v1.train.Saver(tf.compat.v1.all_variables())
  saver.restore(sess, './checkpoint/IROS18/')
  