diff -r 55d132525155 -r 642e31cb55f0 hgext/absorb.py
--- a/hgext/absorb.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/hgext/absorb.py	Mon Feb 21 13:08:28 2022 -0700
@@ -83,7 +83,7 @@
 defaultdict = collections.defaultdict
 
 
-class nullui(object):
+class nullui:
     """blank ui object doing nothing"""
 
     debugflag = False
@@ -97,7 +97,7 @@
         return nullfunc
 
 
-class emptyfilecontext(object):
+class emptyfilecontext:
     """minimal filecontext representing an empty file"""
 
     def __init__(self, repo):
@@ -277,7 +277,7 @@
     )
 
 
-class filefixupstate(object):
+class filefixupstate:
     """state needed to apply fixups to a single file
 
     internally, it keeps file contents of several revisions and a linelog.
@@ -655,7 +655,7 @@
             )
 
 
-class fixupstate(object):
+class fixupstate:
     """state needed to run absorb
 
     internally, it keeps paths and filefixupstates.