Update app.py

app.py

@@ -20,6 +20,11 @@ def echo(audio):
     for audio_chunk in tts_model.stream_tts_sync(prompt):
         yield audio_chunk
 
-stream = Stream(ReplyOnPause(echo), modality="audio", mode="send-receive")
+Stream(
+    handler=...,
+    rtc_configuration=get_hf_turn_credentials,
+    modality="audio",
+    mode="send-receive"
+)
 
 stream.fastphone()