From 8944f57865f5bb7016ae32e2c5b7d1c47b4234ec Mon Sep 17 00:00:00 2001
From: Debian Science Team <debian-science-maintainers@lists.alioth.debian.org>
Date: Wed, 6 Mar 2019 22:19:34 +0000
Subject: [PATCH] deb_ndsphinx_optional

Gbp-Pq: Name deb_ndsphinx_optional
---
 doc/source/conf.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/doc/source/conf.py b/doc/source/conf.py
index 1342d749..32b260dd 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -72,10 +72,14 @@ extensions = ['sphinx.ext.autodoc',
               'sphinx.ext.mathjax',
               'sphinx.ext.ifconfig',
               'sphinx.ext.linkcode',
-              'nbsphinx',
               ]
 
 mathjax_path='MathJax.js'
+try:
+    import nbsphinx
+    extensions += ['nbsphinx']
+except:
+    pass  # survive without
 
 exclude_patterns = ['**.ipynb_checkpoints']
 
-- 
2.30.2