diff -up monotone-1.1/extra/mtn-hooks/monotone-ciabot.py.orig monotone-1.1/extra/mtn-hooks/monotone-ciabot.py
--- monotone-1.1/extra/mtn-hooks/monotone-ciabot.py.orig	2019-08-10 09:00:03.203454091 +0200
+++ monotone-1.1/extra/mtn-hooks/monotone-ciabot.py	2019-08-10 09:07:13.873700583 +0200
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Copyright (C) Nathaniel Smith <njs@pobox.com>
 #               Timothy Brownawell <tbrownaw@gmail.com>
@@ -192,10 +192,10 @@ def escape_for_xml(text, is_attrib=0):
 
 def send_message(message, c):
     if c.delivery == "debug":
-        print message
+        print(message)
     elif c.delivery == "xmlrpc":
-        import xmlrpclib
-        xmlrpclib.ServerProxy(c.xmlrpc_server).hub.deliver(message)
+        import xmlrpc.client
+        xmlrpc.client.ServerProxy(c.xmlrpc_server).hub.deliver(message)
     elif c.delivery == "email":
         import smtplib
         smtp = smtplib.SMTP(c.smtp_server)