Update app.py

app.py

@@ -113,13 +113,11 @@ def chat_interface(messages):
     return chat_history
 
 # Create Gradio interface
-demo = gr.Chatbot(
-    chat_interface,
-    type="messages"
-)
+def gradio_app():
+    return gr.Chatbot(chat_interface, type="messages", value=[])
 
 # Mount both FastAPI and Gradio
-app = gr.mount_gradio_app(app, demo, path="/")
+app = gr.mount_gradio_app(app, gradio_app(), path="/")
 
 # For running with uvicorn directly
 if __name__ == "__main__":