Edit qos specs page has an exception

[wei.ying]

Env: devstack master branch

If click edit qos spec,it will throws an exception.

Exception info:
Internal Server Error: /admin/volume_types/qos_specs/1df7fe9c-d2b8-4111-af04-f74a3813ca7d/key/a/edit/
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 132, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/opt/stack/horizon/horizon/decorators.py", line 36, in dec
    return view_func(request, *args, **kwargs)
  File "/opt/stack/horizon/horizon/decorators.py", line 52, in dec
    return view_func(request, *args, **kwargs)
  File "/opt/stack/horizon/horizon/decorators.py", line 36, in dec
    return view_func(request, *args, **kwargs)
  File "/opt/stack/horizon/horizon/decorators.py", line 84, in dec
    return view_func(request, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 71, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/django/views/generic/base.py", line 89, in dispatch
    return handler(request, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/django/views/generic/edit.py", line 206, in get
    return self.render_to_response(self.get_context_data(form=form))
  File "/opt/stack/horizon/openstack_dashboard/dashboards/admin/volume_types/qos_specs/views.py", line 126, in get_context_data
    context['submit_url'] = reverse(self.submit_url, args=args)
  File "/usr/local/lib/python2.7/dist-packages/django/core/urlresolvers.py", line 571, in reverse
    (key, ':'.join(resolved_path)))
NoReverseMatch: u'volume_types' is not a registered namespace inside 'horizon:admin:volumes'

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/452999

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/452999
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=2ee3f462cab0a3fd7985c33620ff318ca19e8d74
Submitter: Jenkins
Branch: master

commit 2ee3f462cab0a3fd7985c33620ff318ca19e8d74
Author: wei.ying <email address hidden>
Date: Tue Apr 4 08:34:33 2017 +0800

    Fix edit qos spec form exception

    The Exception thrown because the given URL is not correct.
    This patch adding the correct URL to edit the QoS spec,
    Also add unit test to check template name and submit url.

    Change-Id: I48b4c4f53ec97e6cdb0a4d8fc91c4c680a13e193
    Closes-Bug: #1679436

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/horizon 12.0.0.0b1 development milestone.