From 156699bca02dd2def844d03e26fc16a831336635 Mon Sep 17 00:00:00 2001
From: Yonatan Goldschmidt <yon.goldschmidt@gmail.com>
Date: Wed, 26 May 2021 01:40:23 +0300
Subject: bpo-44222: Improve _removeHandlerRef() for a very long _handlerList
 (GH-26325)

The list lookups become a big burden for very long lists.
This patch changes the "happy flow" path of 2 lookups into 1 lookup.

Automerge-Triggered-By: GH:vsajip
---
 Lib/logging/__init__.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 555f598..7865b71 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -845,8 +845,9 @@ def _removeHandlerRef(wr):
     if acquire and release and handlers:
         acquire()
         try:
-            if wr in handlers:
-                handlers.remove(wr)
+            handlers.remove(wr)
+        except ValueError:
+            pass
         finally:
             release()
 
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