diff -r 12a69c806382 -r a0a727104eed hgext/notify.py
--- a/hgext/notify.py	Fri Oct 13 21:50:32 2017 +0200
+++ b/hgext/notify.py	Fri Oct 13 21:50:43 2017 +0200
@@ -158,6 +158,9 @@
 configtable = {}
 configitem = registrar.configitem(configtable)
 
+configitem('notify', 'changegroup',
+    default=None,
+)
 configitem('notify', 'config',
     default=None,
 )