code: def test_local(self):
      config = (
          PPOConfig()
          .environment("CartPole-v1")
          .rollouts(num_rollout_workers=2)
          .training(model={"fcnet_hiddens": [10]})
      )
  
      for _ in framework_iterator(config):
          algo = config.build()
          print(algo.train())
          algo.stop()
  
file_path: ray/rllib/tests/test_local.py
imports: import unittest
  import ray
  from ray.rllib.algorithms.ppo import PPOConfig
  from ray.rllib.utils.test_utils import framework_iterator
label_desc: Use image node_id 3 for calling the LocalModeTest obj's underlying member method code with example usage: obj.test_local() without return types