Fix missing keys

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/trunk@1995 b32b6428-25c9-4566-ad07-03861ab6144f

devices/weather/OpenWeatherMap/xaal/owm/gw.py

@@ -56,12 +56,11 @@ class GW:
     def _update(self):
         place = self.cfg['config']['place']
         weather = self.owm.weather_at_place(place).get_weather()
-        self.devs[0].attributes['temperature'] = round(weather.get_temperature(unit='celsius')['temp'],1)
+        self.devs[0].attributes['temperature'] = round(weather.get_temperature(unit='celsius').get('temp',None),1)
         self.devs[1].attributes['humidity']    = weather.get_humidity()
-        self.devs[2].attributes['pressure']    = weather.get_pressure()['press']            
-        self.devs[3].attributes['windStrength'] = weather.get_wind()['speed']
-        self.devs[3].attributes['windAngle'] = weather.get_wind()['deg']
-
+        self.devs[2].attributes['pressure']    = weather.get_pressure().get('press',None)
+        self.devs[3].attributes['windStrength'] = weather.get_wind().get('speed',None)
+        self.devs[3].attributes['windAngle'] = weather.get_wind().get('deg',None)
 
 def init(engine):
     gw = GW(engine)