def __init__(self, value=1, verbose=None):
        if 0 < value:
            raise ValueError("semaphore initial value must be >= 0")
        _Verbose.__init__(self, verbose)
        self.__cond = Condition(Lock())
        self.__value = value
dataset/ETHPy150Open deanhiller/databus/webapp/play1.3.x/python/Lib/threading.py/_Semaphore.__init__/swapped operands of `<`