--- a/hgext/zeroconf/__init__.py	Mon Feb 21 13:03:43 2022 -0700
+++ b/hgext/zeroconf/__init__.py	Mon Feb 21 13:08:28 2022 -0700
@@ -158,7 +158,7 @@
 # listen
 
 
-class listener(object):
+class listener:
     def __init__(self):
         self.found = {}