Update app.py

app.py

@@ -13,7 +13,7 @@ class_names = ['T-shirt/top', 'Trouser', 'Pullover', 'Dress', 'Coat',
 def predict_image(img):
     img = img.convert("L").resize((28, 28))
     img_array = np.array(img) / 255.0
-    
+    img_array = 1.0 - img_array
     img_array = img_array.reshape(1, 28, 28)
     prediction = model.predict(img_array)
     return class_names[np.argmax(prediction)]