class_docstr: Representation of image license information.
class_docstr_tok: ["Representation","of","image","license","information","."]
code: def get_image_license_url(self):
      return self._image_license_url
  
imports: import base64
  import io
  from typing import Dict, Union
  import PIL
  import torch
  from parlai.core.image_featurizers import ImageLoader
  from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser
  from parlai.utils.typing import TShared
label_desc: Use image node_id 5 for calling the ImageLicense obj's underlying member method code with example usage: obj.get_image_license_url() and returns: self