code: def test_incremental_webp(self):
      with ImageFile.Parser() as p:
          with open("Tests/images/hopper.webp", "rb") as f:
              p.feed(f.read(1024))
  
              # Check that insufficient data was given in the first feed
              assert not p.image
  
              p.feed(f.read())
          assert (128, 128) == p.image.size
  
imports: from __future__ import annotations
  from io import BytesIO
  import pytest
  from PIL import BmpImagePlugin, EpsImagePlugin, Image, ImageFile, UnidentifiedImageError, _binary, features
  from .helper import assert_image, assert_image_equal, assert_image_similar, fromstring, hopper, skip_unless_feature, tostring
label_desc: Use image node_id 3 for calling the TestImageFile obj's underlying member method code with example usage: obj.test_incremental_webp() without return types