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-rw-r--r--Lib/traceback.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/Lib/traceback.py b/Lib/traceback.py
index 95cde2b..d4a4011 100644
--- a/Lib/traceback.py
+++ b/Lib/traceback.py
@@ -157,7 +157,8 @@ def format_exception_only(etype, value):
which exception occurred is the always last string in the list.
"""
list = []
- if type(etype) == types.ClassType:
+ if (type(etype) == types.ClassType
+ or (isinstance(etype, type) and issubclass(etype, Exception))):
stype = etype.__name__
else:
stype = etype