def children(self):
        item = self.item
        base = [item] if item is not None else []
        return base + self.dock_bars
Register plugins derived from this class with this function instead of
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/layout/dock_layout.py/AreaLayout.children--crossover with--dataset/ETHPy150Open awesto/django-shop/shop/cascade/plugin_base.py/DialogFormPluginBase.register_plugin