when execute command "cinder backup-delete <Name of backup>", it throws an Exception:ERROR

CLI "cinder backup-delete <backup>", Positional arguments:
  <backup> Name or ID of backup to delete.
Actually, it does not support Name,when using Name, the error is as follows:
[root]# cinder backup-delete volumes_backup
ERROR: list() got an unexpected keyword argument 'search_opts'
So it is needed to modify the Positional arguments help information
from "Name or ID of backup to delete" to "ID of backup to delete".