docs: def forwards_func(apps, schema_editor):
      """
      manage migrate backup_app 0004_BackupRun_ini_file_20160203_1415
      """
      print("\n")
      create_count = 0
      BackupRun = apps.get_model("backup_app", "BackupRun")  # historical version of BackupRun
      backup_runs = BackupRun.objects.all()
      for backup_run in backup_runs:
          # Use the origin BackupRun model to get access to write_config()
          temp = OriginBackupRun(name=backup_run.name, backup_datetime=backup_run.backup_datetime)
          try:
              temp.write_config()
          except OSError as err:
              print("ERROR creating config file: %s" % err)
          else:
              create_count += 1
              # print("%r created." % config_path.path)
      print("%i config files created.\n" % create_count)