code: def _flip(image):
      """Random horizontal image flip."""
      image = tf.image.random_flip_left_right(image)
      return image
  
file_path: gen-efficientnet-pytorch/data/tf_preprocessing.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import tensorflow
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: _flip(image) and returns: image