code: def run_command(self, cmd: str):
      return subprocess.check_call(cmd)
  
imports: import os
  import socket
  import subprocess
  from collections import defaultdict
  from contextlib import closing
  from pathlib import Path
  from ray.air.util.node import _force_on_node
  import ray
  from typing import Any, List, Dict, Union, Callable
label_desc: Use image node_id 1 for calling the CommandRunner obj's underlying member method code with example usage: obj.run_command(cmd) and returns: subprocess