From c925448498bfcc5f2573b38031e4adf9d09ff51d Mon Sep 17 00:00:00 2001
From: Mariusz Felisiak <felisiak.mariusz@gmail.com>
Date: Tue, 12 Mar 2024 10:48:04 +0100
Subject: [PATCH] Used SessionBase.__setitem__() in setdefault().

---
 django/contrib/sessions/backends/base.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/django/contrib/sessions/backends/base.py b/django/contrib/sessions/backends/base.py
index 050e7387be..019ac0f4c6 100644
--- a/django/contrib/sessions/backends/base.py
+++ b/django/contrib/sessions/backends/base.py
@@ -76,8 +76,7 @@ class SessionBase:
         if key in self._session:
             return self._session[key]
         else:
-            self.modified = True
-            self._session[key] = value
+            self[key] = value
             return value
 
     def set_test_cookie(self):