From a8fd7bd2a25f8715361ac20613c40f1def5fdd22 Mon Sep 17 00:00:00 2001
From: Matthias Geier <Matthias.Geier@gmail.com>
Date: Sat, 19 Nov 2016 17:53:09 +0100
Subject: [PATCH] Add import sphinx.errors

See #66.
---
 nbsphinx.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/nbsphinx.py b/nbsphinx.py
index e41d3de7..ae5cafce 100644
--- a/nbsphinx.py
+++ b/nbsphinx.py
@@ -41,6 +41,7 @@
 import nbconvert
 import nbformat
 import sphinx
+import sphinx.errors
 import traitlets
 
 _ipynbversion = 4