def _patch_astroid() -> None:
    """
    Patches astroid 4.0.3 to work with PATH entries that end with os.path.sep.
    
    Backports the fix: https://github.com/pylint-dev/astroid/pull/2928
    """
    if sys.platform != 'win32':
        # Patch only useful on Windows
        return
    try:
        import astroid.modutils
    except ImportError:
        pass
    else:
        path = '\\\\Mac\\Code\\tests\\test_resources.py'
        base = '\\\\mac\\code\\'
        if not astroid.modutils._is_subpath(path, base):
            def _is_subpath2(path: str, base: str) -> bool:
                path = os.path.normcase(os.path.normpath(path))
                base = os.path.normcase(os.path.normpath(base))
                if not path.startswith(base):
                    return False
                return (
                    (len(path) == len(base)) or 
                    (path[len(base)] == os.path.sep) or
                    # Fix
                    (base.endswith(os.path.sep) and path[len(base) - 1] == os.path.sep)
                )
            astroid.modutils._is_subpath = _is_subpath2
        assert astroid.modutils._is_subpath(path, base)