Looks like the problem is with the filter, it should be using
filters = {'uuid': group.members, 'deleted': False}
instead of
filters = {'uuid': group.members, 'deleted_at': None}
Looks like the problem is with the filter, it should be using
filters = {'uuid': group.members, 'deleted': False}
instead of
filters = {'uuid': group.members, 'deleted_at': None}