app.py

import gradio as gr
import pickle
import numpy as np

def test(k):
    try:
        if k == None:
            pass
    except: 
        print(k.shape)
        k = k / 255.
        return np.argmax(model.predict(k))
gr.Interface(inputs=gr.Sketchpad(),
            outputs="number",
            fn=test,
            live=True).launch()