#!/usr/bin/env python3
"""
Simple test to verify Gradio 4.20.0 compatibility
"""

import gradio as gr

def simple_response(message, history):
    return "Hello! This is a test response."

# Create a minimal interface
def test_ui():
    with gr.Blocks() as app:
        gr.Markdown("# Test App for Gradio 4.20.0")
        
        # Simple chatbot without type parameter
        chatbot = gr.Chatbot(label="Test Chat")
        
        # Input
        msg = gr.Textbox(placeholder="Type a message...")
        
        # Button
        send_btn = gr.Button("Send")
        
        # Wire up the chat
        send_btn.click(simple_response, [msg, chatbot], [chatbot])
        
    return app

if __name__ == "__main__":
    test_ui().launch()