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app.py

@@ -1,21 +1,20 @@
 import asyncio
 import base64
+import json
 from pathlib import Path
 
 import gradio as gr
-from gradio.utils import get_space
 import numpy as np
-import json
 import openai
 from dotenv import load_dotenv
+from fastapi.responses import HTMLResponse, StreamingResponse
 from fastrtc import (
     AdditionalOutputs,
     AsyncStreamHandler,
     Stream,
     get_twilio_turn_credentials,
 )
-from fastapi.responses import HTMLResponse, StreamingResponse
-
+from gradio.utils import get_space
 from openai.types.beta.realtime import ResponseAudioTranscriptDoneEvent
 
 load_dotenv()
@@ -117,6 +116,7 @@ stream = Stream(
     additional_outputs=[chatbot],
     additional_outputs_handler=update_chatbot,
     rtc_configuration=get_twilio_turn_credentials() if get_space() else None,
+    concurrency_limit=20 if get_space() else None,
 )
 
 

requirements.txt

@@ -1,4 +1,4 @@
-fastrtc[vad]==0.0.32rc1
+fastrtc
 openai
 twilio
 python-dotenv