assert files are str

    def __init__(

        self,

        status: CsstStatus = CsstStatus.ERROR,

        files: Optional[list] = None,

        files: Optional[list[str]] = None,

        **output: Any,

    ):

        if files is None:

            files = []

        assert isinstance(status, CsstStatus)

        assert type(files) is list

        assert isinstance(files, list)

        for _ in files:

            assert isinstance(_, str)

        self.status: CsstStatus = status

        self.files: Optional[list] = files

        self.output: dict = output