Rename device_state_attributes to extra_state_attributes.

This change was made in HA 2021.4, but only started issuing deprecation warnings in 2021.12.

Author: make-all

custom_components/metlink/sensor.py

@@ -181,7 +181,7 @@ def device_class(self):
         return SensorDeviceClass.TIMESTAMP
 
     @property
-    def device_state_attributes(self) -> Dict[str, Any]:
+    def extra_state_attributes(self) -> Dict[str, Any]:
         return self.attrs
 
     async def async_update(self):

tests/test_sensor.py

@@ -138,7 +138,7 @@ async def test_async_update_success(hass, aioclient_mock):
     }
 
     assert expected == sensor.attrs
-    assert expected == sensor.device_state_attributes
+    assert expected == sensor.extra_state_attributes
     assert sensor.available is True
     assert sensor.icon == "mdi:train"
     assert sensor.name == "Metlink WELL"
@@ -213,7 +213,7 @@ async def test_async_update_multiple(hass, aioclient_mock):
     }
 
     assert expected == sensor.attrs
-    assert expected == sensor.device_state_attributes
+    assert expected == sensor.extra_state_attributes
     assert sensor.available is True
     assert sensor.icon == "mdi:train"
     assert sensor.name == "Metlink WELL"