Use LENGTH_FEET constant (#34053)

homeassistant/components/fitbit/sensor.py

@@ -16,6 +16,7 @@ from homeassistant.const import (
     CONF_CLIENT_ID,
     CONF_CLIENT_SECRET,
     CONF_UNIT_SYSTEM,
+    LENGTH_FEET,
     MASS_KILOGRAMS,
     MASS_MILLIGRAMS,
     TIME_MILLISECONDS,
@@ -117,7 +118,7 @@ FITBIT_MEASUREMENTS = {
     "en_US": {
         "duration": TIME_MILLISECONDS,
         "distance": "mi",
-        "elevation": "ft",
+        "elevation": LENGTH_FEET,
         "height": "in",
         "weight": "lbs",
         "body": "in",

homeassistant/components/isy994/const.py

@@ -316,8 +316,8 @@ UOM_FRIENDLY_NAME = {
     "3": f"btu/{TIME_HOURS}",
     "4": TEMP_CELSIUS,
     "5": LENGTH_CENTIMETERS,
-    "6": "ft³",
-    "7": f"ft³/{TIME_MINUTES}",
+    "6": f"{LENGTH_FEET}³",
+    "7": f"{LENGTH_FEET}³/{TIME_MINUTES}",
     "8": "m³",
     "9": TIME_DAYS,
     "10": TIME_DAYS,

homeassistant/components/proximity/__init__.py

@@ -7,6 +7,7 @@ from homeassistant.const import (
     CONF_DEVICES,
     CONF_UNIT_OF_MEASUREMENT,
     CONF_ZONE,
+    LENGTH_FEET,
     LENGTH_KILOMETERS,
     LENGTH_METERS,
 )
@@ -34,7 +35,7 @@ DEFAULT_PROXIMITY_ZONE = "home"
 DEFAULT_TOLERANCE = 1
 DOMAIN = "proximity"
 
-UNITS = [LENGTH_KILOMETERS, LENGTH_METERS, "mi", "ft"]
+UNITS = [LENGTH_KILOMETERS, LENGTH_METERS, "mi", LENGTH_FEET]
 
 ZONE_SCHEMA = vol.Schema(
     {

homeassistant/components/zha/core/channels/smartenergy.py

@@ -3,7 +3,7 @@ import logging
 
 import zigpy.zcl.clusters.smartenergy as smartenergy
 
-from homeassistant.const import TIME_HOURS, TIME_SECONDS
+from homeassistant.const import LENGTH_FEET, TIME_HOURS, TIME_SECONDS
 from homeassistant.core import callback
 
 from .. import registries, typing as zha_typing
@@ -62,7 +62,7 @@ class Metering(ZigbeeChannel):
     unit_of_measure_map = {
         0x00: "kW",
         0x01: f"m³/{TIME_HOURS}",
-        0x02: f"ft³/{TIME_HOURS}",
+        0x02: f"{LENGTH_FEET}³/{TIME_HOURS}",
         0x03: f"ccf/{TIME_HOURS}",
         0x04: f"US gal/{TIME_HOURS}",
         0x05: f"IMP gal/{TIME_HOURS}",