Merge pull request #2360 from MycroftAI/bug/audio_end_missing_arg

Bug/audio end missing arg

Author: forslund

mycroft/tts/__init__.py

@@ -118,7 +118,7 @@ def run(self):
                 send_playback_metric(stopwatch, ident)
 
                 if self.queue.empty():
-                    self.tts.end_audio()
+                    self.tts.end_audio(listen)
                     self._processing_queue = False
                 self.blink(0.2)
             except Empty:
@@ -211,7 +211,7 @@ def begin_audio(self):
         # Create signals informing start of speech
         self.bus.emit(Message("recognizer_loop:audio_output_start"))
 
-    def end_audio(self, listen):
+    def end_audio(self, listen=False):
         """Helper function for child classes to call in execute().
 
         Sends the recognizer_loop:audio_output_end message (indicating