code: def get_last_modified_date(*args, **kwargs):
      
      try:
          latest_note = Note.objects.latest()
          latest_release = Release.objects.latest()
      except ObjectDoesNotExist:
          return None
  
      return max(latest_note.modified, latest_release.modified)
docs: Returns the date of the last modified Note or Release.
  
      For use with Django's last_modified decorator.