Update app.py

app.py

@@ -82,7 +82,7 @@ def resize_image(orig_image):
     right_crop = new_width - int((new_width - old_width) / 2)
     top_crop = int((new_height - old_height)/2)
     bottom_crop = new_height - int((new_height - old_height) / 2)
-    cropped_image = resized_image.crop((left, upper,right,lower))
+    cropped_image = resized_image.crop((left_crop,top_crop,right_crop,bottom_crop))
 
     return cropped_image