def __reduce__(self):
        return (
            _nownodevalue_unpickle,
            (self.value,),
            None,
            None,
            None,
        )
Atomic test-and-set -- grab the lock if it is not set,
dataset/ETHPy150Open manahl/mdf/mdf/context.py/NowNodeValue.__reduce__--crossover with--dataset/ETHPy150Open kleientertainment/ds_mod_tools/pkg/win32/Python27/Lib/mutex.py/mutex.testandset