From a3b13a2b928bb873cf06c67fab7e6b2b220de340 2013-07-26 22:46:51
From: Jonathan Frederic <jdfreder@calpoly.edu>
Date: 2013-07-26 22:46:51
Subject: [PATCH] Catch specific error instead of all errors.

---

diff --git a/IPython/nbconvert/exporters/exporter.py b/IPython/nbconvert/exporters/exporter.py
index 00504aa..3590d83 100755
--- a/IPython/nbconvert/exporters/exporter.py
+++ b/IPython/nbconvert/exporters/exporter.py
@@ -25,7 +25,7 @@ import collections
 import datetime
 
 # other libs/dependencies
-from jinja2 import Environment, FileSystemLoader, ChoiceLoader
+from jinja2 import Environment, FileSystemLoader, ChoiceLoader, TemplateNotFound
 
 # IPython imports
 from IPython.config.configurable import Configurable
@@ -214,7 +214,7 @@ class Exporter(Configurable):
             try:
                 self.template = self.environment.get_template(try_name)
                 break
-            except:
+            except TemplateNotFound:
                 pass
 
         if hasattr(self, 'template'):