def __init__(self, priorityFunction):
        # store the priority function
        self.priorityFunction = priorityFunction
        PriorityQueue.__init__(self)        # super-class initializer
priorityFunction (item) -> priority
dataset/ETHPy150Open rlpy/rlpy/rlpy/Domains/PacmanPackage/util.py/PriorityQueueWithFunction.__init__