code: def prepare_dummy_image(self):
      img_url = "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/tasks/australia.jpg"
      raw_image = Image.open(
          requests.get(img_url, stream=True).raw
      ).convert("RGB")
      return raw_image
  
imports: import unittest
  import numpy
  import requests
  from transformers.testing_utils import require_torch, require_vision
  from transformers.utils import is_torch_available, is_vision_available
  from ...test_image_processing_common import ImageProcessingTestMixin, prepare_image_inputs
label_desc: Use image node_id 3 for calling the Pix2StructImageProcessingTester obj's underlying member method code with example usage: obj.prepare_dummy_image() and returns: raw_image