code: def universal_transformer_tiny():
      hparams = transformer.transformer_tiny()
      hparams = update_hparams_for_universal_transformer(hparams)
      hparams.num_rec_steps = 8
      return hparams
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.layers import common_attention
  from tensor2tensor.layers import common_layers
  from tensor2tensor.models import transformer
  from tensor2tensor.models.research import universal_transformer_util
  from tensor2tensor.utils import contrib
  from tensor2tensor.utils import registry
  import tensorflow.compat.v1
label_desc: Use image node_id 7 for calling a global function with example usage: universal_transformer_tiny() and returns: hparams