app.py

import numpy as np
import gradio as gr

def sepia(input_img):
  sepia_filter = np.array(
    [[0.393, 0.769, 0.189], [0.349, 0.686, 0.168], [0.272, 0.534, 0.131]]
  )
  sepia_img = input_img.dot(sepia_filter.T)
  sepia_img /= sepia_img.max()
  return sepia_img

iface = gr.Interface(
    sepia, 
    gr.components.Image(), "image", 
    css=".footer{display:none !important}", 
    button_labels=["Limpiar", "Convertir a sepia"]
)
iface.launch()