From 1157a08f72854f7d17e29cf5765ce8c537669ce2 Mon Sep 17 00:00:00 2001
From: Marc Mueller <30130371+cdce8p@users.noreply.github.com>
Date: Sat, 1 Feb 2025 16:48:09 +0100
Subject: [PATCH] Improve isy994 sensor typing (#137077)

---
 homeassistant/components/isy994/sensor.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/homeassistant/components/isy994/sensor.py b/homeassistant/components/isy994/sensor.py
index 94c333346af..789075e5c57 100644
--- a/homeassistant/components/isy994/sensor.py
+++ b/homeassistant/components/isy994/sensor.py
@@ -198,14 +198,13 @@ class ISYSensorEntity(ISYNodeEntity, SensorEntity):
 
         # Handle ISY precision and rounding
         value = convert_isy_value_to_hass(value, uom, self.target.prec)
+        if value is None:
+            return None
 
         # Convert temperatures to Home Assistant's unit
         if uom in (UnitOfTemperature.CELSIUS, UnitOfTemperature.FAHRENHEIT):
             value = self.hass.config.units.temperature(value, uom)
 
-        if value is None:
-            return None
-
         assert isinstance(value, (int, float))
         return value