app.py

import gradio as gr

def greet(name):
    return "Hello " + name + "!!"

iface = gr.Interface(
    fn=greet, 
    inputs=
    [
    #  gr.inputs.Textbox(lines=1, placeholder='autor', default="", label=None),
     gr.inputs.Dropdown(['Pepe', 'Juan'], type="value", label='Nombre del autor'),
     gr.inputs.Textbox(lines=1, placeholder='sentimiento', label='Sentimiento del texto generado'),
     gr.inputs.Radio(['positivo', 'negativo'], type="value", label=None),
     gr.inputs.Textbox(lines=1, placeholder='palabras', label='Palabras que desea incluir'),
     gr.inputs.Textbox(lines=4, placeholder='texto inicial', label='Texto inicial'),
     ],
     outputs="text")
iface.launch()