code: def __str__(self) -> str:
      return self.url
  
imports: from __future__ import annotations
  import copy
  import os
  import re
  from typing import Optional
  from typing import Union
  from urllib.parse import urlparse
  import requests
  from typing_extensions import Self
  from ..serde.serializable import serializable
  from ..util.util import verify_tls
label_desc: Use image node_id 13 for calling the GridURL obj's underlying member method code with example usage: obj.__str__() and returns: self