code: def test_read_image_fails_with_cv_error():
      image_path = "static/demo.gif"
  
      with pytest.raises(ValueError) as e:
          read_image(image_path)
  
      assert "Could not read image static/demo.gif" in str(e.value)
  
file_path: detecto/detecto/tests/test_utils.py
imports: import os
  import pandas
  import pytest
  import torch
  import torchvision
  from .helpers import get_image
  from detecto.utils import *
  from detecto.utils import _is_iterable
label_desc: Use image node_id 6 for calling a global function with example usage: test_read_image_fails_with_cv_error() without return types