From 5d56ce67f5a9b07c77bce0d1930072a6d4727863 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@koston.org>
Date: Sun, 8 Aug 2021 22:33:40 -0500
Subject: [PATCH] Fix inconsistent supported_features return in demo lock
 (#54300)

https://github.com/home-assistant/core/pull/51455#discussion_r684806197
---
 homeassistant/components/demo/lock.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/homeassistant/components/demo/lock.py b/homeassistant/components/demo/lock.py
index 7eabf9bea2d..af61c0f6111 100644
--- a/homeassistant/components/demo/lock.py
+++ b/homeassistant/components/demo/lock.py
@@ -97,3 +97,4 @@ class DemoLock(LockEntity):
         """Flag supported features."""
         if self._openable:
             return SUPPORT_OPEN
+        return 0