code: def INReLU(x, name=None):
      x = InstanceNorm("inorm", x)
      return tf.nn.relu(x, name=name)
  
imports: import argparse
  import glob
  import os
  import tensorflow
  from six.moves import range
  from tensorpack import *
  from tensorpack.tfutils.scope_utils import auto_reuse_variable_scope
  from tensorpack.tfutils.summary import add_moving_summary
  from GAN import GANModelDesc, GANTrainer
label_desc: Use image node_id 1 for calling a global function with example usage: INReLU(x, name) and returns: tf