code: def signal_committed_filefields(sender, instance, **kwargs):
      
      for field_name in getattr(instance, '_uncommitted_filefields', ()):
          fieldfile = getattr(instance, field_name)
          # Don't send the signal for deleted files.
          if fieldfile:
              signals.saved_file.send_robust(sender=sender, fieldfile=fieldfile)
docs: A post_save signal handler which sends a signal for each ``FileField`` that
      was committed this save.