docstr: Temporarily updates the API base env var to point towards the Anyscale URL. 
docstr_tok: ["Temporarily","updates","the","API","base","env","var","to","point","towards","the","Anyscale","URL","."]
code: def _anyscale_base_api(key="OPENAI_API_BASE"):
      """Temporarily updates the API base env var to point towards the Anyscale URL."""
      old_base = os.environ.get(key, OPENAI_API_BASE)
      os.environ[key] = ANYSCALE_API_BASE
      try:
          yield  # enter
      finally:
          os.environ[key] = old_base
  
imports: import os
  import openai
  import json
  import contextlib
  from typing import Optional, Dict
  import pandas
  from mindsdb.integrations.handlers.openai_handler.openai_handler import OpenAIHandler
  from mindsdb.integrations.handlers.openai_handler.constants import OPENAI_API_BASE
  from mindsdb.integrations.utilities.handler_utils import get_api_key
  from mindsdb.utilities import log
label_desc: Use image node_id 2 for calling the AnyscaleEndpointsHandler obj's underlying member method code with example usage: obj._anyscale_base_api(key) without return types