bindings: python: replace PyModule_AddObjectRef() with PyModule_AddObject()

PyModule_AddObjectRef() was added in cpython v3.10 while libgpiod claims
to depend on python v3.9. Replace it with an older variant that steals the
reference to the added object on success.

Reported-by: Phil Howard <phil@gadgetoid.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/bindings/python/gpiod/ext/module.c b/bindings/python/gpiod/ext/module.c
index 25c252a7dc0a363c9d1963cbe93d6663dff2b749..b456190498db5c8d26028e38e064b5a2ba29b735 100644 (file)
--- a/bindings/python/gpiod/ext/module.c
+++ b/bindings/python/gpiod/ext/module.c
@@ -178,9 +178,9 @@ PyMODINIT_FUNC PyInit__ext(void)
                return NULL;
        }
 
-       ret = PyModule_AddObjectRef(module, "__all__", all);
-       Py_DECREF(all);
+       ret = PyModule_AddObject(module, "__all__", all);
        if (ret) {
+               Py_DECREF(all);
                Py_DECREF(module);
                return NULL;
        }