diff --git a/aqt/__init__.py b/aqt/__init__.py
index b1749a72c..49ac71d49 100644
--- a/aqt/__init__.py
+++ b/aqt/__init__.py
@@ -6,8 +6,10 @@ import builtins
 import getpass
 import gettext
 import locale
+import os
 import sys
 import tempfile
+import traceback
 from typing import Any, Optional
 
 import anki.lang