added PIL import

app.py

@@ -1,11 +1,12 @@
 from huggingface_hub import from_pretrained_keras
 import gradio as gr
+from PIL import Image
 import tensorflow as tf
 import numpy as np
 import os
 
 # load model
-model = tf.keras.models.load_model('keras-io/semantic-segmentation')
+model = tf.keras.models.load_model('./tf_model.h5') # from keras-io/semantic-segmentation
 
 # gradio components
 inputs = gr.inputs.Image()