--- a/mercurial/httpconnection.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/mercurial/httpconnection.py	Mon Feb 21 13:08:28 2022 -0700
@@ -26,7 +26,7 @@
 urlreq = util.urlreq
 
 # moved here from url.py to avoid a cycle
-class httpsendfile(object):
+class httpsendfile:
     """This is a wrapper around the objects returned by python's "open".
 
     Its purpose is to send file-like objects via HTTP.