gh-141757: Comply with pickle protocol in test_reduce_5tuple (GH-141759)

The 5th element of the __reduce__ tuple should be an iterator.

diff --git a/Lib/test/test_copy.py b/Lib/test/test_copy.py
index 467ec09d99e46213527b0e8010b241a257c810fd..cfef24727e8c82eb0f75a85596fa0de339e66213 100644 (file)
--- a/Lib/test/test_copy.py
+++ b/Lib/test/test_copy.py
@@ -672,7 +672,7 @@ class TestCopy(unittest.TestCase):
     def test_reduce_5tuple(self):
         class C(dict):
             def __reduce__(self):
-                return (C, (), self.__dict__, None, self.items())
+                return (C, (), self.__dict__, None, iter(self.items()))
             def __eq__(self, other):
                 return (dict(self) == dict(other) and
                         self.__dict__ == other.__dict__)