From 308ceffc6869e3c12665f1ffa68db09a70fb9b58 Mon Sep 17 00:00:00 2001
From: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Date: Fri, 9 May 2025 00:10:52 -0700
Subject: [PATCH] gh-133581: Fix refleak in t-string AST unparsing (#133724)

---
 Python/ast_unparse.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Python/ast_unparse.c b/Python/ast_unparse.c
index ae623e0b417..557c12cfda6 100644
--- a/Python/ast_unparse.c
+++ b/Python/ast_unparse.c
@@ -749,6 +749,7 @@ append_templatestr(PyUnicodeWriter *writer, expr_ty e)
             goto error;
         }
     }
+    _PyArena_Free(arena);
 
     return 0;