--- a/util/multitable.lua	Fri Nov 10 05:34:29 2017 +0100
+++ b/util/multitable.lua	Fri Nov 10 05:42:32 2017 +0100
@@ -132,7 +132,7 @@
 	local maxdepth = select("#", ...);
 	local stack = { self.data };
 	local keys = { };
-	local function it(self)
+	local function it(self) -- luacheck: ignore 432/self
 		local depth = #stack;
 		local key = next(stack[depth], keys[depth]);
 		if key == nil then -- Go up the stack