Refs #32508 -- Raised ImproperlyConfigured instead of using "assert" in middlewares.

1 files changed, 8 insertions, 6 deletions

diff --git a/django/contrib/auth/middleware.py b/django/contrib/auth/middleware.py
index 5bd176ef69..1cd84f1cc9 100644
--- a/django/contrib/auth/middleware.py
+++ b/django/contrib/auth/middleware.py
@@ -14,12 +14,14 @@ def get_user(request):
 
 class AuthenticationMiddleware(MiddlewareMixin):
     def process_request(self, request):
-        assert hasattr(request, 'session'), (
-            "The Django authentication middleware requires session middleware "
-            "to be installed. Edit your MIDDLEWARE setting to insert "
-            "'django.contrib.sessions.middleware.SessionMiddleware' before "
-            "'django.contrib.auth.middleware.AuthenticationMiddleware'."
-        )
+        if not hasattr(request, 'session'):
+            raise ImproperlyConfigured(
+                "The Django authentication middleware requires session "
+                "middleware to be installed. Edit your MIDDLEWARE setting to "
+                "insert "
+                "'django.contrib.sessions.middleware.SessionMiddleware' before "
+                "'django.contrib.auth.middleware.AuthenticationMiddleware'."
+            )
         request.user = SimpleLazyObject(lambda: get_user(request))