--- a/mod_firewall/test.lib.lua	Fri Oct 20 02:49:10 2017 +0200
+++ b/mod_firewall/test.lib.lua	Fri Oct 20 02:49:34 2017 +0200
@@ -1,5 +1,6 @@
 -- luacheck: globals load_unload_scripts
 local set = require "util.set";
+local ltn12 = require "socket.ltn12";
 
 local xmppstream = require "util.xmppstream";