code: def test_is_path():
      # Arrange
      fp = "filename.ext"
  
      # Act
      it_is = _util.isPath(fp)
  
      # Assert
      assert it_is
  
imports: 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