From 923d7f64e99f9389f5db59fc0eff6d50fafa7508 Mon Sep 17 00:00:00 2001
From: Franck Nijhof <git@frenck.dev>
Date: Sat, 23 Mar 2024 10:11:33 +0100
Subject: [PATCH] Fix detecting empty device IDs (#669)

---
 custom_components/spook/util.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/custom_components/spook/util.py b/custom_components/spook/util.py
index cf9871d2..66ee4eb0 100644
--- a/custom_components/spook/util.py
+++ b/custom_components/spook/util.py
@@ -176,7 +176,7 @@ def async_filter_known_device_ids(
     return {
         device_id
         for device_id in device_ids - known_device_ids
-        if isinstance(device_id, str)
+        if device_id and isinstance(device_id, str)
     }