code: def dtensor_shutdown_tpu_system():
      """Deprecated way to shutodwn the TPU system."""
      from . import (
          accelerator_util,
      )  # pylint: disable=g-import-not-at-top
  
      accelerator_util.shutdown_accelerator_system()
  
imports: import functools
  import time
  from typing import List, Optional, Dict
  import numpy
  from tensorflow.dtensor.python import config
  from tensorflow.dtensor.python import dtensor_device
  from tensorflow.dtensor.python import gen_dtensor_ops
  from tensorflow.dtensor.python import layout
  from tensorflow.python.eager import context
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import tf_logging
  from tensorflow.python.tpu import topology
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 14 for calling a global function with example usage: dtensor_shutdown_tpu_system() without return types