From d8908932fc03e064ba8df03d17d8cc7ffa5f171f Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 27 Nov 2023 19:51:31 +0200
Subject: gh-111789: Use PyDict_GetItemRef() in Modules/pyexpat.c (gh-112079)

---
 Modules/pyexpat.c | 17 +++++------------
 1 file changed, 5 insertions(+), 12 deletions(-)

diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
index 21579a8..9d95309 100644
--- a/Modules/pyexpat.c
+++ b/Modules/pyexpat.c
@@ -240,19 +240,12 @@ string_intern(xmlparseobject *self, const char* str)
         return result;
     if (!self->intern)
         return result;
-    value = PyDict_GetItemWithError(self->intern, result);
-    if (!value) {
-        if (!PyErr_Occurred() &&
-            PyDict_SetItem(self->intern, result, result) == 0)
-        {
-            return result;
-        }
-        else {
-            Py_DECREF(result);
-            return NULL;
-        }
+    if (PyDict_GetItemRef(self->intern, result, &value) == 0 &&
+        PyDict_SetItem(self->intern, result, result) == 0)
+    {
+        return result;
     }
-    Py_INCREF(value);
+    assert((value != NULL) == !PyErr_Occurred());
     Py_DECREF(result);
     return value;
 }
-- 
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