code: def revnet_38_cifar():
      hparams = revnet_cifar_base()
      hparams.bottleneck = False
      hparams.num_channels = [16, 32, 56]
      hparams.num_layers_per_block = [2, 2, 2]
      hparams.initializer = "normal_unit_scaling"
      hparams.initializer_gain = 1.5
      return hparams
  
imports: import functools
  from tensor2tensor.layers import common_hparams
  from tensor2tensor.utils import contrib
  from tensor2tensor.utils import registry
  from tensor2tensor.utils import t2t_model
  import tensorflow.compat.v1
  from tensorflow.compat.v1 import estimator
label_desc: Use image node_id 12 for calling a global function with example usage: revnet_38_cifar() and returns: hparams