app.py

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

learn = load_learner('./tree-classifier.pkl')

def predict(image):
    leaf_type,_,probs = learn.predict(image)
    return f"This is a: {leaf_type}. \nProbability it's a {leaf_type}: {probs.max():.4f}"

iface = gr.Interface(fn=predict, inputs="image", outputs="text")
iface.launch()