old_contents: # -*- coding: utf-8 -*-
  
  from iscc_bench.readers.bxbooks import bxbooks
  
  
  ALL_READERS = (bxbooks,)
  
new_contents: # -*- coding: utf-8 -*-
  
  from iscc_bench.readers.bxbooks import bxbooks
  from iscc_bench.readers.harvard import harvard
  
  
  ALL_READERS = (bxbooks, harvard)
  
subject: Add harvard reader to ALL_READERS