Update app.py

app.py

@@ -485,7 +485,21 @@ class GeminiHandler(AsyncStreamHandler):
 
     def shutdown(self) -> None:
         self.quit.set()
-        
+    async def safe_get_ice_config_async():
+    return {
+        "iceServers": [
+            {"urls": ["stun:stun.l.google.com:19302"]},
+            {
+                "urls": [
+                    "turn:your-turn.example.com:443?transport=tcp",
+                    "turns:your-turn.example.com:443?transport=tcp",
+                ],
+                "username": os.environ["TURN_USERNAME"],
+                "credential": os.environ["TURN_PASSWORD"],
+            },
+        ]
+    }
+
 with gr.Blocks() as demo:
     gr.Markdown("# Gemini Chained Speech-to-Speech Demo")