diff -r 3abde7651c38 -r 14b40afccd69 runtime/NevowServer.py
--- a/runtime/NevowServer.py	Tue Oct 03 16:12:55 2017 +0300
+++ b/runtime/NevowServer.py	Tue Oct 03 16:31:31 2017 +0300
@@ -185,7 +185,6 @@
     website = WebInterface()
     site = appserver.NevowSite(website)
 
-    listening = False
     reactor.listenTCP(port, site)
     print(_('HTTP interface port :'), port)
     return website