--- a/mercurial/pvec.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/pvec.py	Mon Feb 21 13:08:28 2022 -0700
@@ -180,7 +180,7 @@
     return pvec(util.b85encode(bs))
 
 
-class pvec(object):
+class pvec:
     def __init__(self, hashorctx):
         if isinstance(hashorctx, bytes):
             self._bs = hashorctx