diff --git a/homeassistant/components/sensor/__init__.py b/homeassistant/components/sensor/__init__.py
index a33676ae415..2ed732289b6 100644
--- a/homeassistant/components/sensor/__init__.py
+++ b/homeassistant/components/sensor/__init__.py
@@ -9,9 +9,9 @@ from datetime import timedelta
 from homeassistant.loader import get_component
 import homeassistant.util as util
 from homeassistant.const import (
-    STATE_OPEN, STATE_CLOSED, ATTR_ENTITY_ID)
+    STATE_OPEN)
 from homeassistant.helpers import (
-    extract_entity_ids, platform_devices_from_config)
+    platform_devices_from_config)
 from homeassistant.components import group, discovery, wink
 
 DOMAIN = 'sensor'
@@ -39,6 +39,7 @@ def is_on(hass, entity_id=None):
 
     return hass.states.is_state(entity_id, STATE_OPEN)
 
+
 def setup(hass, config):
     """ Track states and offer events for sensors. """
     logger = logging.getLogger(__name__)
diff --git a/homeassistant/components/wink.py b/homeassistant/components/wink.py
index da15bed6dd5..20b3e0b75f9 100644
--- a/homeassistant/components/wink.py
+++ b/homeassistant/components/wink.py
@@ -21,6 +21,7 @@ DISCOVER_LIGHTS = "wink.lights"
 DISCOVER_SWITCHES = "wink.switches"
 DISCOVER_SENSORS = "wink.sensors"
 
+
 def setup(hass, config):
     """ Sets up the Wink component. """
     logger = logging.getLogger(__name__)
@@ -51,6 +52,7 @@ def setup(hass, config):
 
     return True
 
+
 class WinkSensorDevice(Device):
     """ represents a wink sensor within home assistant. """
 
@@ -88,6 +90,7 @@ class WinkSensorDevice(Device):
         """ True if door is open. """
         return self.wink.state()
 
+
 class WinkToggleDevice(ToggleDevice):
     """ represents a WeMo switch within home assistant. """