app.py

import gradio as gr
from fastai.vision.all import *

learn_inf = load_learner('model.pkl')
categories = learn_inf.dls.vocab

def classify_image(img):
    pred,pred_idx,probs = learn_inf.predict(img)
    return dict(zip(categories, map(float, probs))) 

iface = gr.Interface(
    fn=classify_image, 
    inputs=gr.inputs.Image(shape=(224,224)), 
    outputs=gr.outputs.Label(),
    examples=['lego.jpg', 'dog.jpg', 'cactus.jpg', 'plushie.jpg']
    )
iface.launch()