Remove a warning

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@2711 b32b6428-25c9-4566-ad07-03861ab6144f

devices/emulations/Fauxmo/xaal/fauxmo/binding.py

 import logging
+import asyncio
 from fauxmo.plugins import FauxmoPlugin
 from xaal.monitor import Monitor
 
@@ -21,7 +22,6 @@ MAP = {
     'shutter':       ['down','up',None],
 }
 
-
 def setup(device,filter_func):
     global monitor
     monitor = Monitor(device,filter_func)
@@ -105,7 +105,7 @@ class XAALPlugin(FauxmoPlugin):
                 if on_off[value] == self._latest_action:
                     return self._latest_action
             else:
-                # fake state
+                # fake state due to missing state for this device
                 return self._latest_action
 
         # no device found with the right state, so send