Update app.py

app.py

@@ -61,6 +61,9 @@ def classify_image(img):
     img_array = img_to_array(img)
     img_array = np.expand_dims(img_array, axis=0)
     img_array = preprocess_input(img_array)
+    mean = np.mean(img_array, axis=(0, 1))
+    std = np.std(img_array, axis=(0, 1))
+    img_array = (img_array - mean) / std
 
 
     predictions1 = model.predict(img_array)