Update app.py

app.py

@@ -2,7 +2,7 @@ import numpy as np
 import tensorflow as tf
 import gradio as gr
 from keras.models import load_model
-from tensorflow.keras.preprocessing.image import load_img
+from tensorflow.keras.preprocessing.image import load_img, img_to_array
 # Load the model
 model = load_model('brain_tumor.keras')
 labels = ['glioma', 'meningioma', 'notumor', 'pituitary']