def astuple(self):
        return (self.unsafe_convert, self.safe_convert, self.promote)
A walk is considered closed if the first and last
dataset/ETHPy150Open numba/numba/numba/typing/context.py/Rating.astuple--crossover with--dataset/ETHPy150Open christabor/MoAL/MOAL/data_structures/graphs/graphs.py/Graph.is_closed