Comment 4 for bug 1818671

I deployed the master branch (now in trai), that command execute ok, like:
[root@localhost nova-specs]# nova usage-list
Usage from 2019-08-21 to 2019-09-19:
+----------------------------------+---------+---------------+-----------+----------------+
| Tenant ID | Servers | RAM MiB-Hours | CPU Hours | Disk GiB-Hours |
+----------------------------------+---------+---------------+-----------+----------------+
| 40d622ea71704a11a37115947b250b83 | 8 | 151681.87 | 296.25 | 296.25 |
+----------------------------------+---------+---------------+-----------+----------------+
[root@localhost nova-specs]# openstack usage list
Usage from 2019-08-21 to 2019-09-19:
+---------+---------+--------------+-----------+---------------+
| Project | Servers | RAM MB-Hours | CPU Hours | Disk GB-Hours |
+---------+---------+--------------+-----------+---------------+
| admin | 8 | 151685.29 | 296.26 | 296.26 |
+---------+---------+--------------+-----------+---------------+