Upstream: Yes

From 08c503bdd1e128118e45fa50be256e27415bbd41 Mon Sep 17 00:00:00 2001
From: Adrian Georgescu <ag@ag-projects.com>
Date: Sat, 1 Jan 2022 15:19:37 +0000
Subject: [PATCH] collections.MutableMapping was deprecated since Python 3.3

---
 application/python/weakref.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/application/python/weakref.py b/application/python/weakref.py
index a785a7e..38fd664 100644
--- a/application/python/weakref.py
+++ b/application/python/weakref.py
@@ -1,7 +1,8 @@
 
 import weakref
 
-from collections import MutableMapping, deque
+from collections.abc import MutableMapping
+from collections import deque
 from copy import deepcopy
 from threading import local