code: def test_abc_batch_cpu(self):
      self._test_abc_batch()
      self._test_abc_batch(steps=0, load_model=True)
  
imports: import os
  import tempfile
  import unittest
  import chainer
  import chainer.functions
  from chainer import links
  from chainer import optimizers
  from chainer import testing
  import numpy
  import chainerrl
  from chainerrl.agents import trpo
  from chainerrl.envs.abc import ABC
  from chainerrl.experiments.evaluator import batch_run_evaluation_episodes
  from chainerrl.experiments.evaluator import run_evaluation_episodes
  from chainerrl.experiments import train_agent_batch_with_evaluation
  from chainerrl.experiments import train_agent_with_evaluation
  from chainerrl.links import StatelessRecurrentSequential
  from chainerrl import policies
label_desc: Use image node_id 6 for calling the TestTRPO obj's underlying member method code with example usage: obj.test_abc_batch_cpu() without return types