From 6de8aa31f39b3d8dbfba132e6649724eb07b8348 Mon Sep 17 00:00:00 2001
From: Kirill Podoprigora <kirill.bast9@mail.ru>
Date: Tue, 30 Jan 2024 21:44:09 +0300
Subject: [PATCH] ``importlib/_bootstrap.py``: Reduce size of ``_List``
 instances (GH-114747)

Reduce size of _List instances
---
 Lib/importlib/_bootstrap.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py
index d942045f3de6..6d6292f95592 100644
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -53,7 +53,7 @@ def _new_module(name):
 
 # For a list that can have a weakref to it.
 class _List(list):
-    pass
+    __slots__ = ("__weakref__",)
 
 
 # Copied from weakref.py with some simplifications and modifications unique to
-- 
2.47.3