  from contextlib import suppress
  
  from django.conf import settings
  from django.contrib import auth
  from django.contrib.auth import load_backend
  from django.contrib.auth.backends import RemoteUserBackend
  from django.core.exceptions import ImproperlyConfigured
 
</s> remove from contextlib import suppress
 </s> add  </s> remove from contextlib import suppress
 </s> add  </s> remove from contextlib import suppress
 </s> add  </s> remove from contextlib import suppress
 </s> add  </s> remove from contextlib import suppress
 </s> add 


  from django.conf import settings
  from django.contrib import auth
  from django.contrib.auth import load_backend
  from django.contrib.auth.backends import RemoteUserBackend
  from django.core.exceptions import ImproperlyConfigured
replace replace keep keep keep keep keep
 Reverted "Fixed #27818 -- Replaced try/except/pass with contextlib.suppress()."

This reverts commit 550cb3a365dee4edfdd1563224d5304de2a57fda
because try/except performs better. 
django/contrib/auth/middleware.py