From 89e5914079ec34785a61f7a36be6dd54ac7cedc6 2013-09-29 20:12:41
From: Matthias Bussonnier <bussonniermatthias@gmail.com>
Date: 2013-09-29 20:12:41
Subject: [PATCH] Merge pull request #4300 from Carreau/fix-4299

Traits defauts should be strings not object
---

diff --git a/IPython/nbconvert/exporters/exporter.py b/IPython/nbconvert/exporters/exporter.py
index b1126b4..25330a2 100644
--- a/IPython/nbconvert/exporters/exporter.py
+++ b/IPython/nbconvert/exporters/exporter.py
@@ -62,13 +62,13 @@ class Exporter(LoggingConfigurable):
 
     _preprocessors = None
 
-    default_preprocessors = List([nbpreprocessors.coalesce_streams,
-                                 nbpreprocessors.SVG2PDFPreprocessor,
-                                 nbpreprocessors.ExtractOutputPreprocessor,
-                                 nbpreprocessors.CSSHTMLHeaderPreprocessor,
-                                 nbpreprocessors.RevealHelpPreprocessor,
-                                 nbpreprocessors.LatexPreprocessor,
-                                 nbpreprocessors.HighlightMagicsPreprocessor],
+    default_preprocessors = List(['IPython.nbconvert.preprocessors.coalesce_streams',
+                                  'IPython.nbconvert.preprocessors.SVG2PDFPreprocessor',
+                                  'IPython.nbconvert.preprocessors.ExtractOutputPreprocessor',
+                                  'IPython.nbconvert.preprocessors.CSSHTMLHeaderPreprocessor',
+                                  'IPython.nbconvert.preprocessors.RevealHelpPreprocessor',
+                                  'IPython.nbconvert.preprocessors.LatexPreprocessor',
+                                  'IPython.nbconvert.preprocessors.HighlightMagicsPreprocessor'],
         config=True,
         help="""List of preprocessors available by default, by name, namespace, 
         instance, or type.""")