app.py

import gradio as gr

def greet(session_name, model):
    return "Hello " + session_name + "!"

iface = gr.Interface(
    fn=greet, 
    inputs=[gr.inputs.Textbox(lines=1, placeholder="Session name ..."), gr.inputs.Radio(["letter_maj", "number", "letter_min"])],
    outputs="text")
iface.launch(auth=[('test', 'test')])