code: def download(self):
      raise NotImplementedError
  
file_path: finetune/finetune/datasets/__init__.py
imports: import hashlib
  from io import StringIO
  import os.path
  from pathlib import Path
  import requests
  import pandas
label_desc: Use image node_id 4 for calling the Dataset obj's underlying member method code with example usage: obj.download() without return types