Fix luacheck issues

Author: streetturtle

calendar-widget/calendar.lua

@@ -203,7 +203,7 @@ local function worker(user_args)
         border_color = calendar_themes[theme].border,
         widget = cal
     }
-    
+
 	local auto_hide_timer = gears.timer({
 		timeout = user_args.timeout or 2,
 		single_shot = true,
@@ -213,7 +213,7 @@ local function worker(user_args)
 	})
 
 	popup:connect_signal("mouse::leave", function()
-        if user_args.auto_hide then 
+        if user_args.auto_hide then
 		    auto_hide_timer:again()
         end
 	end)

mpris-widget/init.lua

@@ -7,7 +7,6 @@
 -------------------------------------------------
 local awful = require('awful')
 local beautiful = require('beautiful')
-local watch = require('awful.widget.watch')
 local wibox = require('wibox')
 local gears = require('gears')
 
@@ -44,7 +43,7 @@ function playerctl:watch(timeout, callback, widget)
 
     self.watch_params = { timeout = timeout, callback = callback, widget = widget }
 
-    local cb = function(widget, stdout, _, _, _)
+    local cb = function(cb_widget, stdout, _, _, _)
         local words = gears.string.split(stdout, ';')
 
         local position, length, progress = tonumber(words[5]), tonumber(words[6])
@@ -68,7 +67,7 @@ function playerctl:watch(timeout, callback, widget)
             metadata.year = string.sub(words[8], 0, 4)
         end
 
-        callback(widget, metadata)
+        callback(cb_widget, metadata)
     end
 
     _, self.timer = awful.widget.watch(cmd, timeout, cb, widget)