code: def exists(self, object_name):
      return os.path.isfile(
          os.path.join(self.bucket, *object_name.split("/"))
      )
  
imports: import glob
  import os
  import shutil
  from typing import Dict, Optional, Union
  import pydantic
  from structlog import get_logger
  from modelkit.assets import errors
  from modelkit.assets.drivers.abc import StorageDriver, StorageDriverSettings
label_desc: Use image node_id 7 for calling the LocalStorageDriver obj's underlying member method code with example usage: obj.exists(object_name) and returns: os