Use core constants for temper (#46508)

homeassistant/components/temper/sensor.py

@@ -5,13 +5,17 @@ from temperusb.temper import TemperHandler
 import voluptuous as vol
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
-from homeassistant.const import CONF_NAME, DEVICE_DEFAULT_NAME, TEMP_FAHRENHEIT
+from homeassistant.const import (
+    CONF_NAME,
+    CONF_OFFSET,
+    DEVICE_DEFAULT_NAME,
+    TEMP_FAHRENHEIT,
+)
 from homeassistant.helpers.entity import Entity
 
 _LOGGER = logging.getLogger(__name__)
 
 CONF_SCALE = "scale"
-CONF_OFFSET = "offset"
 
 PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
     {
@@ -26,7 +30,6 @@ TEMPER_SENSORS = []
 
 def get_temper_devices():
     """Scan the Temper devices from temperusb."""
-
     return TemperHandler().get_devices()