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

serhiy-storchaka · web-flow · commit 25206173619f · 2026-01-26T21:15:21.000Z
diff --git 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);
     }

Original file line number	Diff line number	Diff line change
`@@ -1156,6 +1156,7 @@ _PyBytes_FormatEx(const char *format, Py_ssize_t format_len,`
`1156`	`1156`	`goto error;`
`1157`	`1157`	`}`
`1158`	`1158`
	`1159`	`+ Py_XDECREF(key);`
`1159`	`1160`	`if (args_owned) {`
`1160`	`1161`	`Py_DECREF(args);`
`1161`	`1162`	`}`