code: def get_lock(self, redis, *args, **kwargs):
      kwargs["lock_class"] = Lock
      return redis.lock(*args, **kwargs)
  
imports: import time
  import pytest
  from redis.client import Redis
  from redis.exceptions import LockError, LockNotOwnedError
  from redis.lock import Lock
  from .conftest import _get_client
label_desc: Use image node_id 2 for calling the TestLock obj's underlying member method code with example usage: obj.get_lock(redis) and returns: redis