From 4a26633e0e4ba756794e753cc0dec20535bb412a Mon Sep 17 00:00:00 2001
From: "Phillip J. Eby" <pje@telecommunity.com>
Date: Fri, 24 Mar 2006 22:10:54 +0000
Subject: Revert r42719, because the isinstance() check wasn't redundant;
 formatting a string exception was causing a TypeError.

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

diff --git a/Lib/traceback.py b/Lib/traceback.py
index 4971906..d4a4011 100644
--- a/Lib/traceback.py
+++ b/Lib/traceback.py
@@ -158,7 +158,7 @@ def format_exception_only(etype, value):
     """
     list = []
     if (type(etype) == types.ClassType
-        or issubclass(etype, Exception)):
+        or (isinstance(etype, type) and issubclass(etype, Exception))):
         stype = etype.__name__
     else:
         stype = etype
-- 
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