Check return value of _PyDict_SetItemId()
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@ -2848,13 +2848,16 @@ PyType_FromSpecWithBases(PyType_Spec *spec, PyObject *bases)
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/* Set type.__module__ */
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s = strrchr(spec->name, '.');
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if (s != NULL) {
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int err;
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modname = PyUnicode_FromStringAndSize(
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spec->name, (Py_ssize_t)(s - spec->name));
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if (modname == NULL) {
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goto fail;
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}
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_PyDict_SetItemId(type->tp_dict, &PyId___module__, modname);
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err = _PyDict_SetItemId(type->tp_dict, &PyId___module__, modname);
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Py_DECREF(modname);
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if (err != 0)
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goto fail;
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} else {
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if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
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"builtin type %.200s has no __module__ attribute",
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