docstr: return an image generated from z
docstr_tok: ["return","an","image","generated","from","z"]
code: def generator(self, z):
      """return an image generated from z"""
      nf = 64
      l = FullyConnected(
          "fc0", z, nf * 8 * 4 * 4, activation=tf.identity
      )
      l = tf.reshape(l, [-1, 4, 4, nf * 8])
      l = BNReLU(l)
      with argscope(
          Conv2DTranspose, activation=BNReLU, kernel_size=4, strides=2
      ):
          l = Conv2DTranspose("deconv1", l, nf * 4)
          l = Conv2DTranspose("deconv2", l, nf * 2)
          l = Conv2DTranspose("deconv3", l, nf)
          l = Conv2DTranspose("deconv4", l, 3, activation=tf.identity)
          l = tf.tanh(l, name="gen")
      return l
  
imports: import argparse
  import glob
  import numpy
  import os
  import tensorflow
  from tensorpack import *
  from tensorpack.tfutils.scope_utils import auto_reuse_variable_scope
  from tensorpack.utils.viz import stack_patches
  from GAN import GANModelDesc, GANTrainer, RandomZData
label_desc: Use image node_id 3 for calling the Model obj's underlying member method code with example usage: obj.generator(z) and returns: l