def central_widget(self):
        for child in reversed(self.children):
            if isinstance(child, Container):
                return child
Dispatches to the first shipping method or to the add shipping method
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/widgets/window.py/Window.central_widget--crossover with--dataset/ETHPy150Open diefenbach/django-lfs/lfs/manage/shipping_methods/views.py/manage_shipping