

def discard(self, key):
    if (key in self.map):
        (key, prev, next) = self.map.pop(key)
        prev[2] = next
        prev[1] = prev

dataset/ETHPy150Open ooici/pyon/pyon/util/set.py OrderedSet.discard/VarMisuse@47/49 `next`->`prev`