def __len__(self):
        return len(self.children)
returns the collected values as a dict keyed by the nodes
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/utils/tree.py/Node.__len__--crossover with--dataset/ETHPy150Open manahl/mdf/mdf/builders/basic.py/FinalValueCollector.get_dict