From 2da2de2ac83a1ceab9262d042cb5cf803df665fa Mon Sep 17 00:00:00 2001
From: epenet <6771947+epenet@users.noreply.github.com>
Date: Wed, 15 Dec 2021 20:11:06 +0100
Subject: [PATCH] Use SensorDeviceClass in mhz19 (#61923)

---
 homeassistant/components/mhz19/sensor.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/homeassistant/components/mhz19/sensor.py b/homeassistant/components/mhz19/sensor.py
index a599a9f7dfb..60608e37cec 100644
--- a/homeassistant/components/mhz19/sensor.py
+++ b/homeassistant/components/mhz19/sensor.py
@@ -9,6 +9,7 @@ import voluptuous as vol
 
 from homeassistant.components.sensor import (
     PLATFORM_SCHEMA,
+    SensorDeviceClass,
     SensorEntity,
     SensorEntityDescription,
 )
@@ -17,8 +18,6 @@ from homeassistant.const import (
     CONCENTRATION_PARTS_PER_MILLION,
     CONF_MONITORED_CONDITIONS,
     CONF_NAME,
-    DEVICE_CLASS_CO2,
-    DEVICE_CLASS_TEMPERATURE,
     TEMP_CELSIUS,
 )
 import homeassistant.helpers.config_validation as cv
@@ -40,13 +39,13 @@ SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
         key=SENSOR_TEMPERATURE,
         name="Temperature",
         native_unit_of_measurement=TEMP_CELSIUS,
-        device_class=DEVICE_CLASS_TEMPERATURE,
+        device_class=SensorDeviceClass.TEMPERATURE,
     ),
     SensorEntityDescription(
         key=SENSOR_CO2,
         name="CO2",
         native_unit_of_measurement=CONCENTRATION_PARTS_PER_MILLION,
-        device_class=DEVICE_CLASS_CO2,
+        device_class=SensorDeviceClass.CO2,
     ),
 )
 SENSOR_KEYS: list[str] = [desc.key for desc in SENSOR_TYPES]