code: def test_is_path():
      # Arrange
      fp = "filename.ext"
  
      # Act
      it_is = _util.is_path(fp)
  
      # Assert
      assert it_is
  
file_path: pillow/Tests/test_util.py
imports: from __future__ import annotations
  import pytest
  from PIL import _util
label_desc: Use image node_id 1 for calling a global function with example usage: test_is_path() without return types