From cfdffdb755a0979ff7e8f2a7808be280de950f92 2012-03-25 22:26:50
From: Thomas Kluyver <takowl@gmail.com>
Date: 2012-03-25 22:26:50
Subject: [PATCH] Fix for pretty-printing builtin exceptions in Python 3.

---

diff --git a/IPython/lib/pretty.py b/IPython/lib/pretty.py
index 85d30a5..93eb2bb 100644
--- a/IPython/lib/pretty.py
+++ b/IPython/lib/pretty.py
@@ -620,7 +620,7 @@ def _function_pprint(obj, p, cycle):
 
 def _exception_pprint(obj, p, cycle):
     """Base pprint for all exceptions."""
-    if obj.__class__.__module__ == 'exceptions':
+    if obj.__class__.__module__ in ('exceptions', 'builtins'):
         name = obj.__class__.__name__
     else:
         name = '%s.%s' % (