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-rw-r--r--django/contrib/auth/middleware.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/django/contrib/auth/middleware.py b/django/contrib/auth/middleware.py
index 0b3365cb3a..f0102c4455 100644
--- a/django/contrib/auth/middleware.py
+++ b/django/contrib/auth/middleware.py
@@ -1,5 +1,3 @@
-from contextlib import suppress
-
from django.conf import settings
from django.contrib import auth
from django.contrib.auth import load_backend
@@ -91,8 +89,10 @@ class RemoteUserMiddleware(MiddlewareMixin):
"""
backend_str = request.session[auth.BACKEND_SESSION_KEY]
backend = auth.load_backend(backend_str)
- with suppress(AttributeError): # Backend has no clean_username method.
+ try:
username = backend.clean_username(username)
+ except AttributeError: # Backend has no clean_username method.
+ pass
return username
def _remove_invalid_user(self, request):