text: import os
  
  DATASETS_PATH = os.path.dirname(os.path.abspath(__file__))
  CHECKSUMS_PATH = os.path.join(DATASETS_PATH, "url_checksums")
  CHECKSUMS_PATH = os.path.normpath(CHECKSUMS_PATH)
  
  from .live_iqa import LiveIQA
  from .tid2013 import Tid2013
  