code: def model_description() -> str:
      """A short description of the picked model."""
      res = pick_model_class().name
      if not _MODEL_CLASSIFIER_LAYER.value:
          res += " (features_only)"
      return res
  
file_path: jax/jax/experimental/jax2tf/examples/saved_model_main.py
imports: import logging
  import os
  from absl import app
  from absl import flags
  from jax.experimental.jax2tf.examples import mnist_lib
  from jax.experimental.jax2tf.examples import saved_model_lib
  import numpy
  import tensorflow
  import tensorflow_datasets
label_desc: Use image node_id 3 for calling a global function with example usage: model_description() and returns: res