class_docstr: A custom LLM class that integrates pangu models
code: def set_auth_config(self, **kwargs):
      url = get_from_dict_or_env(kwargs, "url", "URL")
      username = get_from_dict_or_env(kwargs, "username", "USERNAME")
      password = get_from_dict_or_env(kwargs, "password", "PASSWORD")
      domain_name = get_from_dict_or_env(
          kwargs, "domain_name", "DOMAIN_NAME"
      )
  
      region = url.split(".")[1]
      auth_config = {}
      auth_config["endpoint"] = url[
          url.find("https://") + 8 : url.find(".com") + 4
      ]
      auth_config["resource_path"] = url[url.find(".com") + 4 :]
      auth_config["auth_token"] = self.get_latest_auth_token(
          region, username, password, domain_name
      )
      self.auth_config = auth_config
  
file_path: colossalai/applications/ColossalQA/colossalqa/local/pangu_llm.py
imports: import http.client
  import json
  from typing import Any, List, Mapping, Optional
  import requests
  from langchain.llms.base import LLM
  from langchain.utils import get_from_dict_or_env
label_desc: Use image node_id 5 for calling the Pangu obj's underlying member method code with example usage: obj.set_auth_config() without return types