Updated calls to autoupdate feature for alpha channel

src/controller/mainController.py

@@ -56,7 +56,7 @@ class Controller(object):
 		self.create_controls()
 		self.window.Show()
 		self.connect_events()
-		call_threaded(updater.do_update)
+		call_threaded(updater.do_update, update_type=self.session.settings["general"]["update_channel"])
 
 	def create_controls(self):
 		log.debug("Creating controls for the window...")
@@ -266,7 +266,7 @@ class Controller(object):
 		b.get_more_items()
 
 	def check_for_updates(self, *args, **kwargs):
-		update = updater.do_update()
+		update = updater.do_update(update_type=self.session.settings["general"]["update_channel"])
 		if update == False:
 			commonMessages.no_update_available()
 

src/update/update.py

@@ -24,7 +24,7 @@ def perform_update(endpoint, current_version, update_type="stable", app_name='',
 		return False
 	available_version, available_description, update_url = find_version_data(update_type, current_version, available_update)
 	if available_version == False:
-		return
+		return False
 	logger.info("A new update is available. Version %s" % available_version)
 	if callable(update_available_callback) and not update_available_callback(version=available_version, description=available_description): #update_available_callback should return a falsy value to stop the process
 		logger.info("User canceled update.")