code: def __exit__(self, *args):
      self.captured.extend(self._stringio.getvalue().splitlines())
      del self._stringio  # free up some memory
      sys.stdout = self._stdout
  
imports: import click
  import os
  import pytest
  import random
  import subprocess
  import sys
  import time
  from unittest import mock
  import ray
  import ray.train
  from ray import tune
  from ray.rllib import _register_all
  from ray.tune.cli import commands
  from ray.tune.result import CONFIG_PREFIX
  from ray.train.tests.util import create_dict_checkpoint
label_desc: Use image node_id 2 for calling the Capturing obj's underlying member method code with example usage: obj.__exit__() without return types