def __enter__(self, *args, **kwargs):
        self.start()
        return self
Set `a` can promote to `b`
dataset/ETHPy150Open inconshreveable/sqltap/sqltap/sqltap.py/ProfilingSession.__enter__--crossover with--dataset/ETHPy150Open numba/numba/numba/typeconv/typeconv.py/TypeCastingRules.promote