Cast standby_state to int before testing.

homeassistant/components/switch/wemo.py

@@ -119,7 +119,7 @@ class WemoSwitch(SwitchDevice):
     def detail_state(self):
         """Is the device on - or in standby."""
         if self.insight_params:
-            standby_state = self.insight_params['state']
+            standby_state = int(self.insight_params['state'])
             if standby_state == WEMO_ON:
                 return STATE_OFF
             elif standby_state == WEMO_OFF: