Merge "Modified API calls in os usage"

Author: Jenkins

openstackclient/compute/v2/usage.py

@@ -89,7 +89,7 @@ def _format_project(project):
         # Cache the project list
         project_cache = {}
         try:
-            for p in self.app.client_manager.identity.tenants.list():
+            for p in self.app.client_manager.identity.projects.list():
                 project_cache[p.id] = p
         except Exception:
             # Just forget it if there's any trouble