This works fine in the API Explorer, but I'm not getting a list of users using the SDK.
routing_api = PureCloudPlatformApiSdk.RoutingApi()
routing_api.get_queues_queue_id_users(29081d50-6d49-4387-91b1-ee853142643e)
returns
{
'id': None,
'joined': False,
'member_by': None,
'name': None,
'ring_number': None,
'routing_status': None,
'self_uri': '/api/v2/routing/queues/29081d50-6d49-4387-91b1-ee853142643e/users?pageSize=25&pageNumber=1',
'user': None
}