Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 import tensorflow as tf
 from tensorflow.keras.models import load_model
-
+from tensorflow.keras.applications.mobilenet_v2 import preprocess_input
 from tensorflow.keras.preprocessing.image import img_to_array,load_img
 import numpy as np
 from PIL import Image