tree b69bf706aac8527b96b55b739b197fed0d6556c5
parent 6ffd90691b3fc1c63dfd2ea10a27a54cf57e64fd
author zhulingjie <easyzlj@gmail.com> 1550682354 +0800
committer zhulingjie <easyzlj@gmail.com> 1551884091 +0800

Update json module to jsonutils

oslo project provide jsonutils, and we use it in many place[1],
this PS to update the remained json moudule to oslo jsonutils for
consistency.

[1]: https://github.com/openstack/tempest/blob/9594233ffd93066677aa601c594d55f3a4f188d8/tempest/lib/services/volume/v1/quotas_client.py#L15

Change-Id: Ib8d9f49a1fdfa0f5e0cfb05a193dffb83e4cfe69