code: def xception_tiny_tpu():
      hparams = xception_base()
      hparams.batch_size = 2
      hparams.num_hidden_layers = 2
      hparams.hidden_size = 128
      hparams.optimizer = "true_adam"
      return hparams
  
file_path: tensor2tensor/tensor2tensor/models/xception.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  from six.moves import range
  from tensor2tensor.layers import common_hparams
  from tensor2tensor.layers import common_layers
  from tensor2tensor.utils import registry
  from tensor2tensor.utils import t2t_model
  import tensorflow.compat.v1
label_desc: Use image node_id 7 for calling a global function with example usage: xception_tiny_tpu() and returns: hparams