From c4ab5e6f63df67e2b30cb0ec8160e85e1df8e63d Mon Sep 17 00:00:00 2001
From: javicalle <31999997+javicalle@users.noreply.github.com>
Date: Sun, 11 Oct 2020 02:51:38 +0200
Subject: [PATCH] Throwing GatewayException in get_illumination (#831)

* Throwing GatewayException in get_illumination

I'm not sure if the GatewayException type is only suitable for SubDevice or is also allowed here, but it is the exception HA expects in this case:
https://github.com/home-assistant/core/blob/985e4e1bd942ef4ab56617a77f59baeec10649c5/homeassistant/components/xiaomi_miio/sensor.py#L320:L325

* Fix black validation
---
 miio/gateway.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/miio/gateway.py b/miio/gateway.py
index e8d4ee768..96b158852 100644
--- a/miio/gateway.py
+++ b/miio/gateway.py
@@ -380,7 +380,12 @@ def timezone(self):
     @command()
     def get_illumination(self):
         """Get illumination. In lux?"""
-        return self.send("get_illumination").pop()
+        try:
+            return self.send("get_illumination").pop()
+        except Exception as ex:
+            raise GatewayException(
+                "Got an exception while getting gateway illumination"
+            ) from ex
 
 
 class GatewayDevice(Device):