List Limits returns Null in Nova Unified Limits

Hello All, I'm looking into testing out the Nova unified limits, however I am experiencing an odd issue where the 'limit list' returns no data. The 'limit create' and 'limit show' (with the UUID from the create command) seem to work fine. Paste data for the output is here: https://pastebin.com/sPZgZDEK I've even tried sending a GET to http://KEYSTONE_IP:5000/v3/limits with the output of [] ({"limits": [], "links": {"next": null, "self": "http://KEYSTONE_IP:5000/v3/limits", "previous": null}}) The log in keystone WSGI just shows a 200 for the GET request, not much else I could find. Should this work in the way I am expecting here? Or am I missing something? Thanks for any and all assistance!