code: def init_required_pass(r, request, password):
      r.config_set("requirepass", password)
  
      def teardown():
          try:
              r.auth(password)
          except (ResponseError, AuthenticationError):
              r.auth("default", "")
          r.config_set("requirepass", "")
  
      request.addfinalizer(teardown)
  
imports: import functools
  import random
  import string
  from typing import Optional, Tuple, Union
  import pytest
  import redis
  from redis import AuthenticationError, DataError, ResponseError
  from redis.credentials import CredentialProvider, UsernamePasswordCredentialProvider
  from redis.utils import str_if_bytes
  from tests.conftest import _get_client, skip_if_redis_enterprise
label_desc: Use image node_id 2 for calling a global function with example usage: init_required_pass(r, request, password) without return types