From 4dfae6f38e1720ddafcdd68043e476ecb41cb4d5 Mon Sep 17 00:00:00 2001
From: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
Date: Sat, 27 Nov 2021 22:00:10 +0000
Subject: bpo-45614: Fix traceback display for exceptions with invalid module
 name (GH-29726)

---
 Lib/traceback.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Lib/traceback.py')

diff --git a/Lib/traceback.py b/Lib/traceback.py
index 97caa1372f4..77f8590719e 100644
--- a/Lib/traceback.py
+++ b/Lib/traceback.py
@@ -808,6 +808,8 @@ class TracebackException:
         stype = self.exc_type.__qualname__
         smod = self.exc_type.__module__
         if smod not in ("__main__", "builtins"):
+            if not isinstance(smod, str):
+                smod = "<unknown>"
             stype = smod + '.' + stype
 
         if not issubclass(self.exc_type, SyntaxError):
-- 
cgit v1.2.3