From 9019ecd56e2be5077736090df5a5b905af26a6e6 Mon Sep 17 00:00:00 2001
From: Brendan Dahl <dahl.brendan@gmail.com>
Date: Thu, 18 Apr 2024 04:36:23 -0400
Subject: [PATCH] fix: handle models that are missing filter_status

---
 src/blueair_api/device.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/blueair_api/device.py b/src/blueair_api/device.py
index d42c039..263fa7e 100644
--- a/src/blueair_api/device.py
+++ b/src/blueair_api/device.py
@@ -61,7 +61,10 @@ async def refresh(self):
         if "night_mode" in attributes:
             self.night_mode = bool(attributes["night_mode"])
         self.fan_speed = int(attributes["fan_speed"])
-        self.filter_expired = attributes["filter_status"] != "OK"
+        if "filter_status":
+            self.filter_expired = attributes["filter_status"] != "OK"
+        else:
+            self.filter_expired = None
         self.fan_mode = attributes["mode"]
         if "wifi_status" in attributes:
             self.wifi_working = attributes["wifi_status"] == "1"