there is useless 'u' in the error info of "glance image-update"

[hgangwx]

[Summary]
there is useless 'u' in the error info of "glance image-update"

[Topo]
devstack all-in-one node

[Description and expect result]
no useless 'u' in the error info of "glance image-update"

[Reproduceable or not]
reproduceable

[Recreate Steps]
1) there is useless 'u' in the error info of "glance image-update":
root@45-59:/opt/stack/devstack# glance image-update --visibility
false d362e24d-3d77-42ea-96ae-d1a1721e7d41
Unable to set 'visibility' to 'false'. Reason: u'false' is not one
of [u'public', u'private']

Failed validating u'enum' in schema[u'properties'][u'visibility']:
    {u'description': u'Scope of image accessibility',
     u'enum': [u'public', u'private'],
     u'type': u'string'}

On instance[u'visibility']:
    u'false'
root@45-59:/opt/stack/devstack#

[Configration]
reproduceable bug, no need

[logs]
reproduceable bug, no need

[Root cause anlyze or debug inf]
reproduceable bug

[Attachment]
None

[Jaspreet Singh Rawel (jaspreetsinghrawel)]

root@controller:/home/ubuntu# glance image-update --visibility false a109d73c-331f-4b30-b2f0-36cda7875560
Unable to set 'visibility' to 'false'. Reason: u'false' is not one of [u'public', u'private']

Failed validating u'enum' in schema[u'properties'][u'visibility']:
    {u'description': u'Scope of image accessibility',
     u'enum': [u'public', u'private'],
     u'type': u'string'}

On instance[u'visibility']:
    u'false'
root@controller:/home/ubuntu#

[Cyril Roelandt (cyril-roelandt)]

I believe this bug was fixed at some point:

$ glance image-update --visibility false 2e969bfd-8fdc-4b0d-b328-d2332da54ab8
Unable to set 'visibility' to 'false'. Reason: 'false' is not one of ['community', 'public', 'private', 'shared']

Failed validating 'enum' in schema['properties']['visibility']:
    {'description': 'Scope of image accessibility',
     'enum': ['community', 'public', 'private', 'shared'],
     'type': 'string'}

On instance['visibility']:
    'false'