def to_undirected(self):
        return deepcopy(self)
Assert that a root element, when flattened, is equal to a string, and
dataset/ETHPy150Open networkx/networkx/networkx/classes/tests/timingclasses.py/TimingGraph.to_undirected--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/web/test/_util.py/FlattenTestCase.assertFlattensImmediately