diff -r 55d132525155 -r 642e31cb55f0 mercurial/pycompat.py
--- a/mercurial/pycompat.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/pycompat.py	Mon Feb 21 13:08:28 2022 -0700
@@ -163,7 +163,7 @@
 
     __bytes__() should be called if provided:
 
-    >>> class bytesable(object):
+    >>> class bytesable:
     ...     def __bytes__(self):
     ...         return b'bytes'
     >>> bytestr(bytesable())