Index: doc/rst/conf.py
===================================================================
--- doc/rst/conf.py	(revision 55474303e5251a0885391f64d2999489be5196fd)
+++ doc/rst/conf.py	(revision 1f67b03358d9a9ce5d7583ed941a2476e13f9df7)
@@ -43,4 +43,5 @@
     'sphinx.ext.autodoc',
     'sphinx.ext.viewcode',
+    'sphinx.ext.napoleon',
 ]