code: def transform_output(self, output: bytes) -> str:
      response_json = json.loads(output.read().decode("utf-8"))
      return response_json[0]["generation"]
  
file_path: h2ogpt/src/sagemaker.py
imports: import os
  import typing
  import json
  from langchain.llms import SagemakerEndpoint
  from langchain.llms.sagemaker_endpoint import LLMContentHandler
  from pydantic.v1 import root_validator
  from src.utils import FakeTokenizer
label_desc: Use image node_id 2 for calling the BaseContentHandler obj's underlying member method code with example usage: obj.transform_output(output) and returns: response_json