diff -r ebf2c1b0c70c -r 4741428606ed mercurial/hgweb/server.py
--- a/mercurial/hgweb/server.py	Sat Sep 30 07:44:08 2017 -0400
+++ b/mercurial/hgweb/server.py	Sat Sep 30 07:44:20 2017 -0400
@@ -61,7 +61,6 @@
     @staticmethod
     def preparehttpserver(httpserver, ui):
         """Prepare .socket of new HTTPServer instance"""
-        pass
 
     def __init__(self, *args, **kargs):
         self.protocol_version = 'HTTP/1.1'