added getenv for 403

src/prediction.py

@@ -3,6 +3,7 @@ import streamlit as st
 import tensorflow as tf
 from PIL import Image
 from huggingface_hub import hf_hub_download
+import os
 
 
 class_names = [
@@ -22,7 +23,8 @@ class_names = [
 def load_model_from_hub():
     model_path = hf_hub_download(
         repo_id="Heizsenberg/tomato-leaf-classification",
-        filename="leaf_detection_model.keras"
+        filename="leaf_detection_model.keras",
+        token=os.getenv("HF_TOKEN")
     )
     model = tf.keras.models.load_model(model_path)
     return model