1 files changed, 3 insertions, 1 deletions

diff --git a/conf.py b/conf.py
index 6b137541a..56b458ff8 100644
--- a/conf.py
+++ b/conf.py
@@ -25,7 +25,9 @@ import sys, os
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.autodoc', 'sphinx.ext.viewcode']
+extensions = ['sphinx.ext.autodoc',
+              'sphinx.ext.viewcode',
+              'sphinx.ext.graphviz']
 
 # Add any paths that contain templates here, relative to this directory.
 # templates_path = ['_templates']