--- a/doc/index.rst	Fri Dec 06 13:20:05 2019 +0100
+++ b/doc/index.rst	Thu Apr 04 17:11:14 2019 +0200
@@ -67,7 +67,7 @@
    :maxdepth: 2
 
    tutorials/index
-   
+
 .. toctree::
    :maxdepth: 3