Fix PEP257 issues

homeassistant/components/switch/arduino.py

@@ -1,8 +1,7 @@
 """
-homeassistant.components.switch.arduino
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-Support for switching Arduino pins on and off. So far only digital pins are
-supported.
+Support for switching Arduino pins on and off.
+
+So far only digital pins are supported.
 
 For more details about this platform, please refer to the documentation at
 https://home-assistant.io/components/switch.arduino/
@@ -19,8 +18,7 @@ _LOGGER = logging.getLogger(__name__)
 
 
 def setup_platform(hass, config, add_devices, discovery_info=None):
-    """ Sets up the Arduino platform. """
-
+    """Setup the Arduino platform."""
     # Verify that Arduino board is present
     if arduino.BOARD is None:
         _LOGGER.error('A connection has not been made to the Arduino board.')
@@ -37,8 +35,10 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
 
 
 class ArduinoSwitch(SwitchDevice):
-    """ Represents an Arduino switch. """
+    """Representation of an Arduino switch."""
+
     def __init__(self, name, pin, pin_type):
+        """Initialize the Pin."""
         self._pin = pin
         self._name = name or DEVICE_DEFAULT_NAME
         self.pin_type = pin_type
@@ -49,20 +49,20 @@ class ArduinoSwitch(SwitchDevice):
 
     @property
     def name(self):
-        """ Get the name of the pin. """
+        """Get the name of the pin."""
         return self._name
 
     @property
     def is_on(self):
-        """ Returns True if pin is high/on. """
+        """Return true if pin is high/on."""
         return self._state
 
     def turn_on(self):
-        """ Turns the pin to high/on. """
+        """Turn the pin to high/on."""
         self._state = True
         arduino.BOARD.set_digital_out_high(self._pin)
 
     def turn_off(self):
-        """ Turns the pin to low/off. """
+        """Turn the pin to low/off."""
         self._state = False
         arduino.BOARD.set_digital_out_low(self._pin)