Update app.py

app.py

@@ -91,7 +91,8 @@ class GeminiHandler(AsyncAudioVideoStreamHandler):
         )
 
         async with client.aio.live.connect(
-            model="gemini-2.0-flash-exp",
+            #model="gemini-2.0-flash-exp",
+            model = "models/gemini-2.5-flash-preview-native-audio-dialog"
             config=config,  # type: ignore
         ) as session:
             self.session = session