openstackclient error with stx.1.0 when restore volume

[Song,Gao]

Brief Description
-----------------
Error when issue openstack cli to restore a volume

Severity
--------
Minor

Steps to Reproduce
------------------
1.Get a volume and it's backup ready
2.Issue command:
  openstack --debug volume backup restore backup_1 vol-001

Expected Behavior
------------------
No errors

Actual Behavior
----------------
Error returned in console:
[wrsroot@controller-0 log_gz(keystone_admin)]$ openstack volume backup restore backup_1 vol-003
'VolumeBackupsRestore' object is not iterable

Reproducibility
---------------
Reproducible 100%

System Configuration
--------------------
One node system,
Maybe others too.

Branch/Pull Time/Commit
-----------------------
stx.2018.10

Last Pass
---------

Timestamp/Logs
--------------
POST call to volumev2 for http://127.168.204.2:8776/v2/c38a6f5dfbbc4caa9004c59ada5afb78/backups/5e26faaf-d4c5-49a7-9fb0-ee8f6e131e26/restore used request id req-443d57ad-9d08-4dac-9380-215f33a3dc90
'VolumeBackupsRestore' object is not iterable
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 400, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/lib/python2.7/site-packages/osc_lib/command/command.py", line 41, in run
    return super(Command, self).run(parsed_args)
  File "/usr/lib/python2.7/site-packages/cliff/display.py", line 113, in run
    column_names, data = self.take_action(parsed_args)
TypeError: 'VolumeBackupsRestore' object is not iterable
clean_up RestoreVolumeBackup: 'VolumeBackupsRestore' object is not iterable
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/osc_lib/shell.py", line 134, in run
    ret_val = super(OpenStackShell, self).run(argv)
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 279, in run
    result = self.run_subcommand(remainder)
  File "/usr/lib/python2.7/site-packages/osc_lib/shell.py", line 169, in run_subcommand
    ret_value = super(OpenStackShell, self).run_subcommand(argv)
  File "/usr/lib/python2.7/site-packages/cliff/app.py", line 400, in run_subcommand
    result = cmd.run(parsed_args)
  File "/usr/lib/python2.7/site-packages/osc_lib/command/command.py", line 41, in run
    return super(Command, self).run(parsed_args)
  File "/usr/lib/python2.7/site-packages/cliff/display.py", line 113, in run
    column_names, data = self.take_action(parsed_args)
TypeError: 'VolumeBackupsRestore' object is not iterable

Test Activity
-------------

[Song,Gao (song-gao)]

I've already found a solution, I can commit it when the bug is confirmed.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: r/2018.10
Review: https://review.opendev.org/669242

[Ghada Khalil (gkhalil)]

Assigning to Song,Gao since he seems to have a review for this

[OpenStack Infra (hudson-openstack)]

Change abandoned by Bart Wensley (<email address hidden>) on branch: r/2018.10
Review: https://review.opendev.org/669242
Reason: This patch has been idle for more than six months. I am abandoning it to keep the review queue sane. If you are still interested in working on this patch, please unabandon it and upload a new patchset.

[Ghada Khalil (gkhalil)]

Closing as stx.1.0 is EOL