Test dict values iterator pickling with pickle.HIGHEST_PROTOCOL. (GH-9052)
(cherry picked from commit 1f36bf6077
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Co-authored-by: Sergey Fedoseev <fedoseev.sergey@gmail.com>
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@ -1056,7 +1056,7 @@ class DictTest(unittest.TestCase):
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self.assertEqual(dict(it), data)
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def test_valuesiterator_pickling(self):
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for proto in range(pickle.HIGHEST_PROTOCOL):
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for proto in range(pickle.HIGHEST_PROTOCOL + 1):
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data = {1:"a", 2:"b", 3:"c"}
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# data.values() isn't picklable, only its iterator
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it = iter(data.values())
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