code: def box_blur(image, radius=1, n=1):
      return image._new(image.im.box_blur((radius, radius), n))
  
file_path: pillow/Tests/test_box_blur.py
imports: from __future__ import annotations
  import pytest
  from PIL import Image, ImageFilter
label_desc: Use image node_id 2 for calling a global function with example usage: box_blur(image, radius, n) and returns: image