use after(0) rather than mods_loaded

init.lua

@@ -9,8 +9,7 @@ wizards_api.wizards = {}
 
 
 
-local runtime = false
-
+-- must only be used at run-time due to silly call-back requirement for add_media
 function wizards_api.load_wizards(path)
 	local files = core.get_dir_list(path, false)
 	local dirs = core.get_dir_list(path, true)
@@ -29,7 +28,7 @@ function wizards_api.load_wizards(path)
 					filename = "wizards_api_"..conf.name..part..".png",
 					filepath = path.."/"..conf.name..part..".png",
 					ephemeral = false,
-				}, (runtime and function(name) end or nil))
+				}, function() end)
 			end
 			
 			wizards_api.wizards[conf.name] = conf
@@ -179,11 +178,8 @@ function wizards_api.set_wizard(playername, wizname)
 	inv:set_stack("hand", 1, hand)
 end
 
-
-
-core.register_on_mods_loaded(function()
+core.after(0, function()
 	wizards_api.load_wizards(wizpath)
-	runtime = true
 end)
 
 core.register_on_joinplayer(function(player)