From c0786e94339224f519e268dae15c301b151ca4c4 Mon Sep 17 00:00:00 2001
From: Stephan Lachnit <stephanlachnit@debian.org>
Date: Fri, 13 Mar 2026 13:15:24 +0100
Subject: [PATCH] logging: use new syntax to check if a handler is not already
 present in Logger.addHandler

---
 Lib/logging/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 39689a57e6ecd6..46e2873ae48594 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -1682,7 +1682,7 @@ def addHandler(self, hdlr):
         Add the specified handler to this logger.
         """
         with _lock:
-            if not (hdlr in self.handlers):
+            if hdlr not in self.handlers:
                 self.handlers.append(hdlr)
 
     def removeHandler(self, hdlr):