code: def test_invalid_file():
      invalid_file = "Tests/images/flower.jpg"
  
      with pytest.raises(SyntaxError):
          PcxImagePlugin.PcxImageFile(invalid_file)
  
file_path: pillow-simd/Tests/test_file_pcx.py
imports: import pytest
  from PIL import Image, ImageFile, PcxImagePlugin
  from .helper import assert_image_equal, hopper
label_desc: Use image node_id 3 for calling a global function with example usage: test_invalid_file() without return types