From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 26 Jan 2026 21:15:21 +0000 (+0200)
Subject: gh-142037: Fix a refleak introduced in GH-142081 (GH-144256)
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25206173619f5f387c88eb258948adcfe66d4966;p=thirdparty%2FPython%2Fcpython.git

gh-142037: Fix a refleak introduced in GH-142081 (GH-144256)
---

diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
index b85cbfe43e11..00c1c63b8e01 100644
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -1156,6 +1156,7 @@ _PyBytes_FormatEx(const char *format, Py_ssize_t format_len,
         goto error;
     }
 
+    Py_XDECREF(key);
     if (args_owned) {
         Py_DECREF(args);
     }