From 6b282e98f29147e16330241a993fdaeaf01063b9 Mon Sep 17 00:00:00 2001
From: Quentin Soubeyran <45202794+QuentinSoubeyran@users.noreply.github.com>
Date: Wed, 7 Oct 2020 09:51:16 +0200
Subject: [PATCH] added behavior for exceptions

---
 sphinx/ext/napoleon/docstring.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sphinx/ext/napoleon/docstring.py b/sphinx/ext/napoleon/docstring.py
index 03f16a25d7..ec99211ccf 100644
--- a/sphinx/ext/napoleon/docstring.py
+++ b/sphinx/ext/napoleon/docstring.py
@@ -602,7 +602,7 @@ class GoogleDocstring:
         lines = []
         for _name, _type, _desc in self._consume_fields():
             # code adapted from autodoc.AttributeDocumenter:add_directive_header
-            if not _type and self._what == 'class' and self._obj:
+            if not _type and self._what in ('class', 'exception') and self._obj:
                 if self._config.napoleon_google_attr_annotations:
                     # cache the class annotations
                     if not hasattr(self, "_annotations"):