Changed turn credentials' retrieval

src/app.py

@@ -23,12 +23,17 @@ from transformers import AutoProcessor, SeamlessM4Tv2Model
 
 load_dotenv(override=True)
 
-# # HF_TOKEN
-# HF_TOKEN = os.getenv("HF_TOKEN")
 
-
-# async def get_credentials():
-#     return await get_cloudflare_turn_credentials_async(hf_token=HF_TOKEN)
+async def get_turn_config():
+    try:
+        if get_space():
+            return await get_cloudflare_turn_credentials_async(
+                hf_token=os.getenv("HF_TOKEN")
+            )
+        return None
+    except Exception as e:
+        print(f"Failed to get TURN credentials: {e}")
+        return {"iceServers": [{"urls": ["stun:stun.l.google.com:19302"]}]}
 
 
 parent_dir = Path(__file__).parents[1]
@@ -198,9 +203,7 @@ with gr.Blocks(
                     modality="audio",
                     mode="send-receive",
                     label="Audio Stream",
-                    rtc_configuration=(
-                        get_cloudflare_turn_credentials_async if get_space() else None
-                    ),
+                    rtc_configuration=(get_turn_config if get_space() else None),
                     # rtc_configuration=get_credentials,
                     # server_rtc_configuration=get_cloudflare_turn_credentials(
                     #     ttl=360_000