Stability fixes

platypush/backend/camera/pi.py

@@ -73,14 +73,10 @@ class CameraPiBackend(Backend):
         self.camera.rotation = rotation
         self.camera.crop = crop
         self.start_recording_on_startup = start_recording_on_startup
-        self.redis = get_backend('redis')
+        self.redis = None
         self.redis_queue = redis_queue
         self._recording_thread = None
 
-        if self.start_recording_on_startup:
-            self.send_camera_action(self.CameraAction.START_RECORDING)
-
-        self.logger.info('Initialized Pi camera backend')
 
     def send_camera_action(self, action, **kwargs):
         action = {
@@ -167,6 +163,14 @@ class CameraPiBackend(Backend):
     def run(self):
         super().run()
 
+        if not self.redis:
+            self.redis = get_backend('redis')
+
+        if self.start_recording_on_startup:
+            self.send_camera_action(self.CameraAction.START_RECORDING)
+
+        self.logger.info('Initialized Pi camera backend')
+
         while not self.should_stop():
             try:
                 msg = self.redis.get_message(self.redis_queue)

platypush/plugins/gpio/sensor/__init__.py

@@ -34,7 +34,7 @@ class GpioSensorPlugin(Plugin):
         Alias for ``get_measurement``
         """
 
-        return self.get_measurement(*args, **kwargs)
+        return self.get_measurement(*args, **kwargs).output
 
 # vim:sw=4:ts=4:et: