def add_task(self, func, *args, **kargs):
            self.tasks.put((func, args, kargs))
Helper method that returns ``True`` if the modellist menu item has no
dataset/ETHPy150Open kivy/kivy/kivy/loader.py/_ThreadPool.add_task--crossover with--dataset/ETHPy150Open django-admin-tools/django-admin-tools/admin_tools/menu/items.py/ModelList.is_empty