Refs #23919 -- Stopped inheriting from object to define new style classes.

Tests and docs complement to cecc079168e8669138728d31611ff3a1e7eb3a9f.

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/topics/http/middleware.txt b/docs/topics/http/middleware.txt
index 09cf78557d..86283af7fa 100644
--- a/docs/topics/http/middleware.txt
+++ b/docs/topics/http/middleware.txt
@@ -43,7 +43,7 @@ A middleware can be written as a function that looks like this::
 
 Or it can be written as a class whose instances are callable, like this::
 
-    class SimpleMiddleware(object):
+    class SimpleMiddleware:
         def __init__(self, get_response):
             self.get_response = get_response
             # One-time configuration and initialization.