Update app.py

app.py

@@ -58,7 +58,7 @@ def resize(img):
         img = img.resize((wsize,hsize), Image.ANTIALIAS)
     w = img.size[0]
     h = img.size[1]
-    img = img.crop(0, 0, w-w%8, h-h%8) 
+    img = img.crop((0, 0, w-w%8, h-h%8))
 
     return img