def __repr__(self):
        return self.__str__()
Test that we handle datetime objects as keys.
dataset/ETHPy150Open CoAxLab/DeBaCl/debacl/level_set_tree.py/LevelSetTree.__repr__--crossover with--dataset/ETHPy150Open jsonpickle/jsonpickle/tests/datetime_test.py/DateTimeAdvancedTestCase.test_datetime_dict_keys_defaults