def lists(self):
        return dict.items(self)
Test object deletion and reference cycles.
dataset/ETHPy150Open wcong/ants/ants/utils/datatypes.py/MultiValueDict.lists--crossover with--dataset/ETHPy150Open enthought/mayavi/tvtk/tests/test_tvtk_base.py/TestTVTKBase.test_obj_del