Unable to use @memoized cache when calling nova get_microversion function

[wei.ying]

Env: devstack master branch

Description:

When Clicking angular create instances button and view the console, the following info will appear:

UnhashableKeyWarning: The key ((<weakref at 0x7febb81180a8; to 'WSGIRequest' at 0x7feba969f3d0>, [u'instance_description']), ()) is not hashable and cannot be memoized.

[Akihiro Motoki (amotoki)]

@wei.yy I've identified the root cause and the fix is simple enough. can I send a patch?

[wei.ying (wei.yy)]

Hi Akihiro.
Of course. I haven't started this yet :).

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/530482

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/530482
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=8373701bdf6a69752af60f62f52f538533962fe0
Submitter: Zuul
Branch: master

commit 8373701bdf6a69752af60f62f52f538533962fe0
Author: Akihiro Motoki <email address hidden>
Date: Sat Dec 30 01:58:23 2017 +0900

    Avoid Unhashable warning in api.rest.nova

    A list object is not hashable. We need to pass a tuple object
    which is hashable.

    Change-Id: Iaccd527da65218e46ff8cad8963fd336d0138c25
    Closes-Bug: #1738537

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/horizon 13.0.0.0b3 development milestone.