text: import os
  import time
  import numpy as np
  import glob
  import matplotlib.pyplot as plt
  import PIL
  import imageio
  import h5py
  from IPython import display
  
  import tensorflow as tf
  
  tf.enable_eager_execution()
  
  print("TensorFlow version: {}".format(tf.VERSION))
  print("Eager execution: {}".format(tf.executing_eagerly()))
  
  
  # class VAEGAN(tf.keras.Model):
  