code: def test_fetch_img(self):
      img = fetch(
          "https://media.istockphoto.com/photos/hen-picture-id831791190",
          allow_caching=False,
      )
      with Image.open(img) as pimg:
          assert pimg.size == (705, 1024)
  
imports: import unittest
  from PIL import Image
  from tinygrad.helpers import Context, ContextVar, merge_dicts, strip_parens, prod, round_up, fetch, fully_flatten, from_mv, to_mv
  from tinygrad.shape.symbolic import Variable, NumNode
label_desc: Use image node_id 3 for calling the TestFetch obj's underlying member method code with example usage: obj.test_fetch_img() without return types