From 702e63e6e8707841b4e3c232154c8c35143cf4d4 Mon Sep 17 00:00:00 2001
From: tyjtyj <tyjtyj@users.noreply.github.com>
Date: Tue, 10 Sep 2019 03:44:00 +0800
Subject: [PATCH] Fix Tuya Light without brightness (#26534)

Return none if there is brightness data from tuya

https://github.com/home-assistant/home-assistant/issues/25896
---
 homeassistant/components/tuya/light.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/homeassistant/components/tuya/light.py b/homeassistant/components/tuya/light.py
index 2c72dd60490..9ac72419612 100644
--- a/homeassistant/components/tuya/light.py
+++ b/homeassistant/components/tuya/light.py
@@ -40,6 +40,8 @@ class TuyaLight(TuyaDevice, Light):
     @property
     def brightness(self):
         """Return the brightness of the light."""
+        if self.tuya.brightness() is None:
+            return None
         return int(self.tuya.brightness())
 
     @property