From b02a4f73b6c5fdfdd3f81b0bf85c92b58e2b6fb7 Mon Sep 17 00:00:00 2001
From: Jean-Paul Calderone <exarkun@twistedmatrix.com>
Date: Mon, 30 Nov 2020 08:56:37 -0500
Subject: [PATCH] news fragment

---
 newsfragments/3539.bugfix | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 newsfragments/3539.bugfix

diff --git a/newsfragments/3539.bugfix b/newsfragments/3539.bugfix
new file mode 100644
index 000000000..ed4aeb9af
--- /dev/null
+++ b/newsfragments/3539.bugfix
@@ -0,0 +1 @@
+Certain implementation-internal weakref KeyErrors are now handled and should no longer cause user-initiated operations to fail.