code: def postprocess(self, output):
      logger.info(output)
      result = []
      result.append(output["choices"][0]["text"])
      return result
  
file_path: serve/examples/LLM/llama2/chat_app/llama_cpp_handler.py
imports: import logging
  import os
  from abc import ABC
  import torch
  from llama_cpp import Llama
  from ts.torch_handler.base_handler import BaseHandler
label_desc: Use image node_id 5 for calling the LlamaCppHandler obj's underlying member method code with example usage: obj.postprocess(output) and returns: result