code: def invoke_handler(
      self, config: Optional[BaseModel] = None
  ) -> Dict[str, Any]:
      command = self.command_name.replace(" ", "_")
      resp = requests.post(
          self.app_url + f"/command/{command}",
          data=config.json() if config else None,
      )
      if resp.status_code != 200:
          try:
              detail = str(resp.json())
          except Exception:
              detail = "Internal Server Error"
          print(
              f"Failed with status code {resp.status_code}. Detail: {detail}"
          )
          sys.exit(0)
  
      return resp.json()
  
imports: import errno
  import inspect
  import os
  import os.path
  import shutil
  import sys
  import traceback
  from dataclasses import asdict
  from getpass import getuser
  from importlib.util import module_from_spec, spec_from_file_location
  from tempfile import gettempdir
  from typing import Any, Callable, Dict, List, Optional, Union
  import requests
  from fastapi import HTTPException
  from pydantic import BaseModel
  from lightning.app.api.http_methods import Post
  from lightning.app.api.request_types import _APIRequest, _CommandRequest, _RequestResponse
  from lightning.app.utilities import frontend
  from lightning.app.utilities.app_helpers import Logger, is_overridden
  from lightning.app.utilities.cloud import _get_project
  from lightning.app.utilities.network import LightningClient
  from lightning.app.utilities.state import AppState
label_desc: Use image node_id 5 for calling the ClientCommand obj's underlying member method code with example usage: obj.invoke_handler(config) and returns: resp