--- a/mercurial/revlogutils/randomaccessfile.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/revlogutils/randomaccessfile.py	Mon Feb 21 13:08:28 2022 -0700
@@ -23,7 +23,7 @@
     return (n & (n - 1) == 0) and n != 0
 
 
-class randomaccessfile(object):
+class randomaccessfile:
     """Accessing arbitrary chuncks of data within a file, with some caching"""
 
     def __init__(