diff --git a/homeassistant/components/switch/wemo.py b/homeassistant/components/switch/wemo.py
index f476cdd980b..b44a21279ba 100644
--- a/homeassistant/components/switch/wemo.py
+++ b/homeassistant/components/switch/wemo.py
@@ -23,6 +23,7 @@ ATTR_SWITCH_MODE = "switch_mode"
 MAKER_SWITCH_MOMENTARY = "momentary"
 MAKER_SWITCH_TOGGLE = "toggle"
 
+
 # pylint: disable=unused-argument, too-many-function-args
 def setup_platform(hass, config, add_devices_callback, discovery_info=None):
     """ Find and return WeMo switches. """