old_contents: # Exceptions
  from .base_scraper import NoSuchItem, InvalidData
  
  # Classes
  from .base_scraper import ResultSet, Itemslist, AllowedValue, Dimension
  from .base_scraper import Item, Collection, Dataset
  from .base_scraper import BaseScraper
  
  # Contants
  from .base_scraper import ROOT, TYPE_DATASET, TYPE_COLLECTION
  
new_contents: # Exceptions
  from .base_scraper import NoSuchItem, InvalidData
  
  # Classes
  from .base_scraper import Result, ResultSet, Itemslist, Dimension
  from .base_scraper import Item, Collection, Dataset
  from .base_scraper import BaseScraper
  
  # Contants
  from .base_scraper import ROOT, TYPE_DATASET, TYPE_COLLECTION
  
subject: remove unused class, expose Result class