code: def update_hparams_for_tpu(hparams):
      hparams.use_pad_remover = False  # where op not supported
      hparams.optimizer = "true_adam"
      hparams.batch_size = 4
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import copy
  import numpy
  from tensor2tensor.layers import common_hparams
  from tensor2tensor.layers import common_image_attention
  from tensor2tensor.layers import common_layers
  from tensor2tensor.layers import modalities
  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 34 for calling a global function with example usage: update_hparams_for_tpu(hparams) without return types