app.py

import streamlit as st
from fastai.vision.all import *

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

learn = load_learner('model.pkl')

categories = ('Dog', 'Cat')

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

image = st.file_uploader("Choose a file")

label = st.write(classify_image(image))