code: def _copy_trackable_to_cpu(self, object_map):
      if self not in object_map:
          object_map[self] = Inner(self.v)
      self.v._copy_trackable_to_cpu(object_map)
  
imports: import os
  from absl.testing import parameterized
  from tensorflow.python.checkpoint import checkpoint
  from tensorflow.python.checkpoint import checkpoint_options
  from tensorflow.python.eager import test
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import variables
  from tensorflow.python.saved_model import load
  from tensorflow.python.saved_model import save
  from tensorflow.python.trackable import base
  from tensorflow.python.trackable import base_delegate
label_desc: Use image node_id 2 for calling the Inner obj's underlying member method code with example usage: obj._copy_trackable_to_cpu(object_map) without return types