fix luacheck warnings

.luacheckrc

@@ -28,6 +28,7 @@ read_globals = {
 
     "protector", "isprotect",
     "homedecor_expect_infinite_stacks",
+    "monitoring"
 }
 
 files["concrete/init.lua"].ignore = { "steel_ingot" }

technic/machines/LV/lamp.lua

@@ -7,12 +7,10 @@ local S = technic.getter
 
 
 local illuminate = function(pos, mode)
-	local loc = {}
--- 	loc.x, loc.y, loc.z = pos.x, pos.y, pos.z
 	for y=1,3,1 do
 		for x=-3,3,1 do
 			for z = -3,3,1 do
-				loc = {x = pos.x - x, y = pos.y - y, z = pos.z - z}
+				local loc = {x = pos.x - x, y = pos.y - y, z = pos.z - z}
 				if mode then
 					if minetest.get_node(loc).name == "air" then
 						minetest.swap_node(loc, {name = "technic:dummy_light_source"})
@@ -47,7 +45,6 @@ end
 
 local led_off = function(pos, node)
 	local meta         = minetest.get_meta(pos)
-	local eu_input     = meta:get_int("LV_EU_input")
 	local machine_name = S("%s LED"):format("LV")
 	local machine_node = "technic:lv_led"
 
@@ -80,7 +77,6 @@ end
 
 local lamp_off = function(pos, node)
 	local meta         = minetest.get_meta(pos)
-	local eu_input     = meta:get_int("LV_EU_input")
 	local machine_name = S("%s Lamp"):format("LV")
 	local machine_node = "technic:lv_lamp"
 

technic/machines/switching_station.lua

@@ -258,12 +258,8 @@ technic.switching_station_run = function(pos)
 
 	local t0 	       = minetest.get_us_time()
 	local meta             = minetest.get_meta(pos)
-	local meta1            = nil
+	local meta1
 	local pos1             = {}
-	local PR_EU            = 0 -- EUs from PR nodes
-	local BA_PR_EU         = 0 -- EUs from BA nodes (discharching)
-	local BA_RE_EU         = 0 -- EUs to BA nodes (charging)
-	local RE_EU            = 0 -- EUs to RE nodes
 
 	local tier      = ""
 	local PR_nodes