From ecec931e9f40838cee5a735313fe2219b4038977 Mon Sep 17 00:00:00 2001
From: Doug Hoskisson <beauxq@users.noreply.github.com>
Date: Sun, 3 Mar 2024 23:26:52 -0800
Subject: [PATCH] Core: fix (typing) mistake in PR #2887 (#2891)

I made this variable for more compatible and safer type narrowing, and then I didn't use if for the type narrowing.
---
 worlds/Files.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/worlds/Files.py b/worlds/Files.py
index dbeb54cf..f46b9cba 100644
--- a/worlds/Files.py
+++ b/worlds/Files.py
@@ -102,7 +102,7 @@ class APContainer:
                 message = ""
                 if len(e.args):
                     arg0 = e.args[0]
-                    if isinstance(e.args[0], str):
+                    if isinstance(arg0, str):
                         message = f"{arg0} - "
                 raise InvalidDataError(f"{message}This might be the incorrect world version for this file") from e