code: def get_code_sample(self, url: str) -> Optional[str]:
      input_type: Any = self.configure_input_type()
      output_type: Any = self.configure_output_type()
  
      if not (
          hasattr(input_type, "request_code_sample")
          and hasattr(output_type, "response_code_sample")
      ):
          return None
      return f"{input_type.request_code_sample(url)}\n{output_type.response_code_sample()}"
  
imports: import abc
  import asyncio
  import base64
  import os
  import platform
  from typing import TYPE_CHECKING, Any, Dict, Optional
  import requests
  import uvicorn
  from fastapi import FastAPI
  from lightning_utilities.core.imports import compare_version, module_available
  from pydantic import BaseModel
  from lightning.app.core.work import LightningWork
  from lightning.app.utilities.app_helpers import Logger
  from lightning.app.utilities.imports import _is_torch_available, requires
label_desc: Use image node_id 8 for calling the PythonServer obj's underlying member method code with example usage: obj.get_code_sample(url) and returns: input_type, str, output_type, None