From 4dd668cf09e9cf3515ebcdd15400a9a9eb24a49d Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Mon, 13 Nov 2023 13:45:18 +0100
Subject: [PATCH] sys_set_object() ignores removed value

---
 Python/sysmodule.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index eee74a5c45e6bf..c17de44731b703 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -125,10 +125,9 @@ sys_set_object(PyInterpreterState *interp, PyObject *key, PyObject *v)
     }
     PyObject *sd = interp->sysdict;
     if (v == NULL) {
-        if (PyDict_Pop(sd, key, &v) < 0) {
+        if (PyDict_Pop(sd, key, NULL) < 0) {
             return -1;
         }
-        Py_XDECREF(v);
         return 0;
     }
     else {