def has_key(self, key):
        try:
            o = self.data[key]()
        except __HOLE__:
            return False
        return o is not None
dataset/ETHPy150Open Southpaw-TACTIC/TACTIC/src/context/client/tactic-api-python-4.0.api04/Lib/weakref.py/WeakValueDictionary.has_key