code: def generator(self, img):
      assert img is not None
      with argscope([Conv2D, Conv2DTranspose], activation=INReLU):
          l = (
              LinearWrap(img)
              .tf.pad(
                  [[0, 0], [0, 0], [3, 3], [3, 3]], mode="SYMMETRIC"
              )
              .Conv2D("conv0", NF, 7, padding="VALID")
              .Conv2D("conv1", NF * 2, 3, strides=2)
              .Conv2D("conv2", NF * 4, 3, strides=2)()
          )
          for k in range(9):
              l = Model.build_res_block(
                  l, "res{}".format(k), NF * 4, first=(k == 0)
              )
          l = (
              LinearWrap(l)
              .Conv2DTranspose("deconv0", NF * 2, 3, strides=2)
              .Conv2DTranspose("deconv1", NF * 1, 3, strides=2)
              .tf.pad(
                  [[0, 0], [0, 0], [3, 3], [3, 3]], mode="SYMMETRIC"
              )
              .Conv2D(
                  "convlast",
                  3,
                  7,
                  padding="VALID",
                  activation=tf.tanh,
                  use_bias=True,
              )()
          )
      return l
  
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 3 for calling the Model obj's underlying member method code with example usage: obj.generator(img) and returns: l