code: def shell(self, command: str):
      return self.remote_exec.eval(command, log_dir=None)
  
imports: import os
  import stat
  import sys
  from pathlib import Path
  from typing import Dict, Optional
  import paramiko
  from paramiko import SSHClient
  from scp import SCPClient
  from labml import monit, logger
  from labml_remote import util
  from labml_remote.configs import Configs
  from labml_remote.errors import RemoteError
  from labml_remote.execute import UIMode
  from labml_remote.execute.local import LocalExecutor
  from labml_remote.execute.remote import RemoteExecutor, EvalResult
  from labml_remote.util import get_env_vars
label_desc: Use image node_id 15 for calling the Server obj's underlying member method code with example usage: obj.shell(command) and returns: self