Method test_weak_valued_len_race

Lib/test/test_weakref.py:1378–1379

(self)

        self.check_len_race(weakref.WeakKeyDictionary, lambda k: (k, 1))

    def test_weak_valued_len_race(self):
        self.check_len_race(weakref.WeakValueDictionary, lambda k: (1, k))

    def test_weak_values(self):
        #