Reverted explicit type casting

blink/mainwindow.py

@@ -300,17 +300,17 @@ class MainWindow(base_class, ui_class):
 
     def _AH_AudioAlertDeviceChanged(self, action):
         settings = SIPSimpleSettings()
-        settings.audio.alert_device = unicode(action.data().toPyObject())
+        settings.audio.alert_device = action.data().toPyObject()
         settings.save()
 
     def _AH_AudioInputDeviceChanged(self, action):
         settings = SIPSimpleSettings()
-        settings.audio.input_device = unicode(action.data().toPyObject())
+        settings.audio.input_device = action.data().toPyObject()
         settings.save()
 
     def _AH_AudioOutputDeviceChanged(self, action):
         settings = SIPSimpleSettings()
-        settings.audio.output_device = unicode(action.data().toPyObject())
+        settings.audio.output_device = action.data().toPyObject()
         settings.save()
 
     def _AH_AutoAcceptChatTriggered(self, checked):

blink/preferences.py

@@ -1007,19 +1007,19 @@ class PreferencesWindow(base_class, ui_class):
 
     # Audio devices signal handlers
     def _SH_AudioAlertDeviceButtonActivated(self, index):
-        device = unicode(self.audio_alert_device_button.itemData(index).toPyObject())
+        device = self.audio_alert_device_button.itemData(index).toPyObject()
         settings = SIPSimpleSettings()
         settings.audio.alert_device = device
         settings.save()
 
     def _SH_AudioInputDeviceButtonActivated(self, index):
-        device = unicode(self.audio_input_device_button.itemData(index).toPyObject())
+        device = self.audio_input_device_button.itemData(index).toPyObject()
         settings = SIPSimpleSettings()
         settings.audio.input_device = device
         settings.save()
 
     def _SH_AudioOutputDeviceButtonActivated(self, index):
-        device = unicode(self.audio_output_device_button.itemData(index).toPyObject())
+        device = self.audio_output_device_button.itemData(index).toPyObject()
         settings = SIPSimpleSettings()
         settings.audio.output_device = device
         settings.save()