code: def test_draw_no_boxes():
      img = torch.full((3, 100, 100), 0, dtype=torch.uint8)
      boxes = torch.full((0, 4), 0, dtype=torch.float)
      with pytest.warns(
          UserWarning,
          match=re.escape(
              "boxes doesn't contain any box. No box was drawn"
          ),
      ):
          res = utils.draw_bounding_boxes(img, boxes)
          # Check that the function didn't change the image
          assert res.eq(img).all()
  
imports: import os
  import re
  import sys
  import tempfile
  from io import BytesIO
  import numpy
  import pytest
  import torch
  import torchvision.transforms.functional
  import torchvision.utils
  from common_utils import assert_equal, cpu_and_cuda
  from PIL import __version__, Image, ImageColor
  from torchvision.transforms.v2.functional import to_dtype
label_desc: Use image node_id 13 for calling a global function with example usage: test_draw_no_boxes() without return types