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[3.12] gh-122311: Fix a refleak in pickle (GH-122411) (GH-122416)

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(cherry picked from commit 68840e91ac)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
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Miss Islington (bot) 2024-07-29 21:10:46 +02:00 • committed by GitHub
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Modules/_pickle.c
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@ -3188,6 +3188,7 @@ batch_dict(PickleState *state, PicklerObject *self, PyObject *iter)
if (!PyTuple_Check(obj) || PyTuple_Size(obj) != 2) { if (!PyTuple_Check(obj) || PyTuple_Size(obj) != 2) {
PyErr_SetString(PyExc_TypeError, "dict items " PyErr_SetString(PyExc_TypeError, "dict items "
"iterator must return 2-tuples"); "iterator must return 2-tuples");
Py_DECREF(obj);
return -1; return -1;
} }
i = save(state, self, PyTuple_GET_ITEM(obj, 0), 0); i = save(state, self, PyTuple_GET_ITEM(obj, 0), 0);