update app script

app.py

@@ -2,9 +2,12 @@ import json
 from keras.models import Model, load_model
 import gradio as gr
 import cv2
+from fastai.learner import load_learner
 
+# Load the exported learner
+learn = load_learner('nfnet_model_20epoch_adam_0.962.pkl')
+model = learn.model
 
-model = load_model('model.h5', compile=True)
 
 # Opening JSON file
 f = open('dat.json')