Use literal string interpolation in integrations R-S (f-strings) (#26392)

homeassistant/components/rachio/__init__.py

@@ -226,7 +226,7 @@ class RachioIro:
 
     def __str__(self) -> str:
         """Display the controller as a string."""
-        return 'Rachio controller "{}"'.format(self.name)
+        return f'Rachio controller "{self.name}"'
 
     @property
     def controller_id(self) -> str:

homeassistant/components/rachio/binary_sensor.py

@@ -87,12 +87,12 @@ class RachioControllerOnlineBinarySensor(RachioControllerBinarySensor):
     @property
     def name(self) -> str:
         """Return the name of this sensor including the controller name."""
-        return "{} online".format(self._controller.name)
+        return f"{self._controller.name} online"
 
     @property
     def unique_id(self) -> str:
         """Return a unique id for this entity."""
-        return "{}-online".format(self._controller.controller_id)
+        return f"{self._controller.controller_id}-online"
 
     @property
     def device_class(self) -> str:

homeassistant/components/rachio/switch.py

@@ -72,7 +72,7 @@ class RachioSwitch(SwitchDevice):
     @property
     def name(self) -> str:
         """Get a name for this switch."""
-        return "Switch on {}".format(self._controller.name)
+        return f"Switch on {self._controller.name}"
 
     @property
     def is_on(self) -> bool:
@@ -113,12 +113,12 @@ class RachioStandbySwitch(RachioSwitch):
     @property
     def name(self) -> str:
         """Return the name of the standby switch."""
-        return "{} in standby mode".format(self._controller.name)
+        return f"{self._controller.name} in standby mode"
 
     @property
     def unique_id(self) -> str:
         """Return a unique id by combining controller id and purpose."""
-        return "{}-standby".format(self._controller.controller_id)
+        return f"{self._controller.controller_id}-standby"
 
     @property
     def icon(self) -> str:
@@ -183,7 +183,7 @@ class RachioZone(RachioSwitch):
     @property
     def unique_id(self) -> str:
         """Return a unique id by combining controller id and zone number."""
-        return "{}-zone-{}".format(self._controller.controller_id, self.zone_id)
+        return f"{self._controller.controller_id}-zone-{self.zone_id}"
 
     @property
     def icon(self) -> str: