--- a/mercurial/filemerge.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/filemerge.py	Mon Feb 21 13:08:28 2022 -0700
@@ -84,7 +84,7 @@
 )
 
 
-class absentfilectx(object):
+class absentfilectx:
     """Represents a file that's ostensibly in a context but is actually not
     present in it.