--- a/docs/conf.py	2019-02-14 15:06:58.494409885 -0800
+++ b/docs/conf.py	2019-02-14 15:07:18.862800941 -0800
@@ -11,7 +11,7 @@
     'sphinx.ext.coverage',
     'sphinx.ext.ifconfig',
     'sphinx.ext.viewcode',
-    'sphinxcontrib.napoleon'
+    'sphinx.ext.napoleon'
 ]
 if os.getenv('SPELLCHECK'):
     extensions += 'sphinxcontrib.spelling',