From 803aca3265a731150b5bf7357dcd6e291e39e3b0 Mon Sep 17 00:00:00 2001
From: Quentin Soubeyran <45202794+QuentinSoubeyran@users.noreply.github.com>
Date: Wed, 25 Nov 2020 19:17:18 +0100
Subject: [PATCH] removed unnecessary 'or {}'

---
 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 71bdc2597..76db00d98 100644
--- a/sphinx/ext/napoleon/docstring.py
+++ b/sphinx/ext/napoleon/docstring.py
@@ -813,7 +813,7 @@ class GoogleDocstring:
             if self._what in ("module", "class", "exception") and self._obj:
                 # cache the class annotations
                 if not hasattr(self, "_annotations"):
-                    localns = getattr(self._config, "autodoc_type_aliases", {}) or {}
+                    localns = getattr(self._config, "autodoc_type_aliases", {})
                     localns.update(getattr(
                                    self._config, "napoleon_type_aliases", {}
                                    ) or {})