From e2edbc425990094a1605c2eeb1208d109a3ebcee Mon Sep 17 00:00:00 2001
From: shbatm <support@shbatm.com>
Date: Fri, 27 Jan 2023 21:16:28 -0600
Subject: [PATCH] Check for missing ISY994 Z-Wave Properties (#86829)

* Check for missing Z-Wave Properties

* Fix black from mobile
---
 homeassistant/components/isy994/helpers.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/homeassistant/components/isy994/helpers.py b/homeassistant/components/isy994/helpers.py
index e3e21dbfd4f..b190638fb35 100644
--- a/homeassistant/components/isy994/helpers.py
+++ b/homeassistant/components/isy994/helpers.py
@@ -313,7 +313,11 @@ def _generate_device_info(node: Node) -> DeviceInfo:
         model += f" ({node.type})"
 
     # Get extra information for Z-Wave Devices
-    if node.protocol == PROTO_ZWAVE and node.zwave_props.mfr_id != "0":
+    if (
+        node.protocol == PROTO_ZWAVE
+        and node.zwave_props
+        and node.zwave_props.mfr_id != "0"
+    ):
         device_info[
             ATTR_MANUFACTURER
         ] = f"Z-Wave MfrID:{int(node.zwave_props.mfr_id):#0{6}x}"