code: def recompute_grad(recompute=False):
      """Decorator determine whether use gradient checkpoint."""
  
      def _wrapper(f):
          if recompute:
              return _recompute_grad(f)
          return f
  
      return _wrapper
  
imports: from typing import Text, Tuple, Union
  import tensorflow
  import argparse
  import tensorflow.compat.v1
  from enum import Enum
  from collections import namedtuple
  from tensorflow.python.eager import tape
  from tensorflow.python.tpu import tpu_function
label_desc: Use image node_id 12 for calling a global function with example usage: recompute_grad(recompute) and returns: _wrapper, f, _recompute_grad