app.py

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

def is_cat(x): return x[0].isupper()

learn = load_learner("model.pkl")

categories = ('Fresh', 'Half-fresh', 'Spoiled')

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

image = gr.Image(height=280, width=340, type='numpy')
label = gr.Label()
examples = ['fresh.jpg', 'semi-fresh.jpg', 'rotten meat.jpg']

intf = gr.Interface(fn=classify_image, inputs=image, outputs=label, examples=examples)
intf.launch(inline=False)