Grammar fix 'an unique' (#12870)

homeassistant/components/binary_sensor/hikvision.py

@@ -214,7 +214,7 @@ class HikvisionBinarySensor(BinarySensorDevice):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._id
 
     @property

homeassistant/components/juicenet.py

@@ -70,5 +70,5 @@ class JuicenetDevice(Entity):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return "{}-{}".format(self.device.id(), self.type)

homeassistant/components/media_player/apple_tv.py

@@ -79,7 +79,7 @@ class AppleTvDevice(MediaPlayerDevice):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self.atv.metadata.device_id
 
     @property

homeassistant/components/media_player/cast.py

@@ -418,7 +418,7 @@ class CastDevice(MediaPlayerDevice):
 
     @property
     def unique_id(self) -> str:
-        """Return an unique ID."""
+        """Return a unique ID."""
         if self.cast.uuid is not None:
             return str(self.cast.uuid)
         return None

homeassistant/components/media_player/openhome.py

@@ -156,7 +156,7 @@ class OpenhomeDevice(MediaPlayerDevice):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._device.Uuid()
 
     @property

homeassistant/components/media_player/songpal.py

@@ -128,7 +128,7 @@ class SongpalDevice(MediaPlayerDevice):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._sysinfo.macAddr
 
     @property

homeassistant/components/media_player/sonos.py

@@ -367,7 +367,7 @@ class SonosDevice(MediaPlayerDevice):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._unique_id
 
     @property

homeassistant/components/media_player/squeezebox.py

@@ -230,7 +230,7 @@ class SqueezeBoxDevice(MediaPlayerDevice):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._id
 
     @property

homeassistant/components/remote/apple_tv.py

@@ -45,7 +45,7 @@ class AppleTVRemote(remote.RemoteDevice):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._atv.metadata.device_id
 
     @property

homeassistant/components/sensor/tibber.py

@@ -106,6 +106,6 @@ class TibberSensor(Entity):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         home = self._tibber_home.info['viewer']['home']
         return home['meteringPointData']['consumptionEan']

homeassistant/components/xiaomi_aqara.py

@@ -242,7 +242,7 @@ class XiaomiDevice(Entity):
 
     @property
     def unique_id(self) -> str:
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._unique_id
 
     @property

homeassistant/components/zha/__init__.py

@@ -306,7 +306,7 @@ class Entity(entity.Entity):
 
     @property
     def unique_id(self) -> str:
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._unique_id
 
     @property

homeassistant/components/zwave/__init__.py

@@ -916,7 +916,7 @@ class ZWaveDeviceEntity(ZWaveBaseEntity):
 
     @property
     def unique_id(self):
-        """Return an unique ID."""
+        """Return a unique ID."""
         return self._unique_id
 
     @property

homeassistant/helpers/entity.py

@@ -93,7 +93,7 @@ class Entity(object):
 
     @property
     def unique_id(self) -> str:
-        """Return an unique ID."""
+        """Return a unique ID."""
         return None
 
     @property