Update app.py

app.py

@@ -144,7 +144,7 @@ def speech_to_speech_translation(audio):
     synthesised_speech = synthesise(translated_text)
     synthesised_speech = (
         synthesised_speech.numpy() * 32767).astype(np.int16)
-    return [translated_text, (16000, synthesised_speech)]
+    return [translated_text, None, (16000, synthesised_speech)]
 
 def predict(transType, language, audio, audio_mic = None):
         print("debug1:", audio,"debug2", audio_mic)