code: def save(self, file):
      joblib.dump(self.data, file)
  
imports: from multiprocessing import Pool
  from os.path import join, dirname
  import requests
  from bs4 import BeautifulSoup
  from os.path import exists
  import joblib
  from underthesea.utils import logger
label_desc: Use image node_id 3 for calling the Cache obj's underlying member method code with example usage: obj.save(file) without return types