Fix blank line regression

homeassistant/components/switch/__init__.py

@@ -49,18 +49,21 @@ _LOGGER = logging.getLogger(__name__)
 def is_on(hass, entity_id=None):
     """ Returns if the switch is on based on the statemachine. """
     entity_id = entity_id or ENTITY_ID_ALL_SWITCHES
+
     return hass.states.is_state(entity_id, STATE_ON)
 
 
 def turn_on(hass, entity_id=None):
     """ Turns all or specified switch on. """
     data = {ATTR_ENTITY_ID: entity_id} if entity_id else None
+
     hass.services.call(DOMAIN, SERVICE_TURN_ON, data)
 
 
 def turn_off(hass, entity_id=None):
     """ Turns all or specified switch off. """
     data = {ATTR_ENTITY_ID: entity_id} if entity_id else None
+
     hass.services.call(DOMAIN, SERVICE_TURN_OFF, data)
 
 
@@ -85,6 +88,7 @@ def setup(hass, config):
                 switch.update_ha_state(True)
 
     hass.services.register(DOMAIN, SERVICE_TURN_OFF, handle_switch_service)
+
     hass.services.register(DOMAIN, SERVICE_TURN_ON, handle_switch_service)
 
     return True