--- a/mercurial/hgweb/common.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/hgweb/common.py	Mon Feb 21 13:08:28 2022 -0700
@@ -115,7 +115,7 @@
         self.message = message
 
 
-class continuereader(object):
+class continuereader:
     """File object wrapper to handle HTTP 100-continue.
 
     This is used by servers so they automatically handle Expect: 100-continue