bug fix

Locked-chess-official · Locked-chess-official · commit f63fa4918c14 · 2025-10-12T04:10:11.000+08:00
diff --git a/Lib/traceback.py b/Lib/traceback.py
@@ -11,6 +11,7 @@
 import tokenize
 import io
 import _colorize
+import traceback
 
 from contextlib import suppress
 
