app.py

import numpy as np
import gradio as gr

def flip_image(x):
    return np.fliplr(x)

with gr.Blocks() as demo:
    with gr.Tab(""):
        with gr.Row():
            image_input = gr.Image()
            image_output = gr.Image()
        image_button = gr.Button("Voltear")

    image_button.click(flip_image, inputs=image_input, outputs=image_output)

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