Fix demo bug when get_message raises an error (#153)

Author: SilicDev

README.md

@@ -109,7 +109,7 @@ func _ready() -> void:
 
 	var val = lua.pull_variant("get_message")
 	if val is LuaError:
-		print("ERROR %d: %s" % [err.type, err.message])
+		print("ERROR %d: %s" % [val.type, val.message])
 		return
 
 	var message = val.call([])

project/demo/HelloLua.gd

@@ -27,6 +27,6 @@ func _ready():
 
 	var ret = lua.call_function("get_message", [])
 	if ret is LuaError:
-		print("ERROR %d: %s" % [err.type, err.message])
+		print("ERROR %d: %s" % [ret.type, ret.message])
 		return
 	print(ret)