From dfd33fdab1d1f1ed840a0e527bcd0b11c57fdbd8 Mon Sep 17 00:00:00 2001
From: Simone Chemelli <simone.chemelli@gmail.com>
Date: Sun, 5 Oct 2025 14:26:16 +0200
Subject: [PATCH] Fix sensors availability check for Alexa Devices (#153743)

---
 homeassistant/components/alexa_devices/binary_sensor.py | 4 +++-
 homeassistant/components/alexa_devices/sensor.py        | 8 +++++---
 homeassistant/components/alexa_devices/switch.py        | 4 +++-
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/homeassistant/components/alexa_devices/binary_sensor.py b/homeassistant/components/alexa_devices/binary_sensor.py
index 010a561fa77e..8347fa34423a 100644
--- a/homeassistant/components/alexa_devices/binary_sensor.py
+++ b/homeassistant/components/alexa_devices/binary_sensor.py
@@ -51,7 +51,9 @@ BINARY_SENSORS: Final = (
         ),
         is_supported=lambda device, key: device.sensors.get(key) is not None,
         is_available_fn=lambda device, key: (
-            device.online and device.sensors[key].error is False
+            device.online
+            and (sensor := device.sensors.get(key)) is not None
+            and sensor.error is False
         ),
     ),
 )
diff --git a/homeassistant/components/alexa_devices/sensor.py b/homeassistant/components/alexa_devices/sensor.py
index e6dbc251b950..57332b8ce3b1 100644
--- a/homeassistant/components/alexa_devices/sensor.py
+++ b/homeassistant/components/alexa_devices/sensor.py
@@ -32,7 +32,9 @@ class AmazonSensorEntityDescription(SensorEntityDescription):
 
     native_unit_of_measurement_fn: Callable[[AmazonDevice, str], str] | None = None
     is_available_fn: Callable[[AmazonDevice, str], bool] = lambda device, key: (
-        device.online and device.sensors[key].error is False
+        device.online
+        and (sensor := device.sensors.get(key)) is not None
+        and sensor.error is False
     )
 
 
@@ -40,9 +42,9 @@ SENSORS: Final = (
     AmazonSensorEntityDescription(
         key="temperature",
         device_class=SensorDeviceClass.TEMPERATURE,
-        native_unit_of_measurement_fn=lambda device, _key: (
+        native_unit_of_measurement_fn=lambda device, key: (
             UnitOfTemperature.CELSIUS
-            if device.sensors[_key].scale == "CELSIUS"
+            if key in device.sensors and device.sensors[key].scale == "CELSIUS"
             else UnitOfTemperature.FAHRENHEIT
         ),
         state_class=SensorStateClass.MEASUREMENT,
diff --git a/homeassistant/components/alexa_devices/switch.py b/homeassistant/components/alexa_devices/switch.py
index 2994ab777514..003f57620798 100644
--- a/homeassistant/components/alexa_devices/switch.py
+++ b/homeassistant/components/alexa_devices/switch.py
@@ -29,7 +29,9 @@ class AmazonSwitchEntityDescription(SwitchEntityDescription):
 
     is_on_fn: Callable[[AmazonDevice], bool]
     is_available_fn: Callable[[AmazonDevice, str], bool] = lambda device, key: (
-        device.online and device.sensors[key].error is False
+        device.online
+        and (sensor := device.sensors.get(key)) is not None
+        and sensor.error is False
     )
     method: str