'Namespace' object has no attribute 'os_user_id'

[Eric Xie]

Description
===========
In my env, use keycloak as the IDP of keystone.
But when i used the rc file to execute `nova force-delete INSTANCE`, got this error.

Steps to reproduce
==================
* Use keycloak as the IDP of keystone
* then I created the rc file
export OS_AUTH_TYPE=v3oidcpassword
export OS_ACCESS_TOKEN_ENDPOINT=https://xxx/auth/realms/picp/protocol/openid-connect/token
export OS_IDENTITY_PROVIDER=keycloak
export OS_PROTOCOL=openid
export OS_IDENTITY_API_VERSION=3
export OS_AUTH_URL=http://xxx/v3
export OS_PROJECT_DOMAIN_NAME=Default
export OS_REGION_NAME=xxx
#export OS_REGION_NAME=RegionOne
export OS_USERNAME="test05"
#export OS_PASSWORD=123456a?
export OS_PASSWORD=passowrd
export OS_CLIENT_ID=keyclient
export OS_CLIENT_SECRET=4dcd201a-c387-4759-a362-4addb3acbcc8
export OS_PROJECT_NAME="test"
export OS_INTERFACE=internal
export OS_ENDPOINT_TYPE="internal"
export OS_CACERT="/etc/ssl/certs/ca-certificates.crt"
* then I sourced this rc file, executed `nova force-delete` CLI
nova force-delete ECS-2019223142413-0008

Expected result
===============
No output

Actual result
=============
Got 'ERROR (AttributeError): 'Namespace' object has no attribute 'os_user_id''

Environment
===========
# apt list --installed | grep novaclient

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

python-novaclient/2018.4.0,now 2:9.1.1-1~u16.04 all [installed,automatic]

Logs & Configs
==============
~# nova --debug force-delete ECS-2019223142413-0008
DEBUG (shell:951) 'Namespace' object has no attribute 'os_user_id'
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/novaclient/shell.py", line 949, in main
    OpenStackComputeShell().main(argv)
  File "/usr/lib/python2.7/dist-packages/novaclient/shell.py", line 653, in main
    os_user_id = args.os_user_id
AttributeError: 'Namespace' object has no attribute 'os_user_id'
ERROR (AttributeError): 'Namespace' object has no attribute 'os_user_id'

[Takashi Natsume (natsume-takashi)]

Probably ths bug is the same as the following bug.

https://bugs.launchpad.net/python-novaclient/+bug/1659015

It has already been fixed.
https://review.openstack.org/#/c/424256/19/novaclient/shell.py

Please try python-novaclient 10.2.0 or later.

[Launchpad Janitor (janitor)]

[Expired for python-novaclient because there has been no activity for 60 days.]