code: def get_object_uri(self, object_name, sub_part=None):
      return "gs://" + "/".join(
          (self.bucket, object_name, *(sub_part or "").split("/"))
      )
  
imports: import os
  from typing import Dict, Optional, Union
  import pydantic
  from google.api_core.exceptions import GoogleAPIError, NotFound
  from google.cloud import storage
  from google.cloud.storage import Client
  from structlog import get_logger
  from tenacity import retry
  from modelkit.assets import errors
  from modelkit.assets.drivers.abc import StorageDriver, StorageDriverSettings
  from modelkit.assets.drivers.retry import retry_policy
label_desc: Use image node_id 8 for calling the GCSStorageDriver obj's underlying member method code with example usage: obj.get_object_uri(object_name, sub_part) and returns: unknown