Method __exit__

src/click/utils.py:194–200

(
        self,
        exc_type: type[BaseException] | None,
        exc_value: BaseException | None,
        tb: TracebackType | None,
    )

        return self

    def __exit__(
        self,
        exc_type: type[BaseException] | None,
        exc_value: BaseException | None,
        tb: TracebackType | None,
    ) -> None:
        self.close_intelligently()

    def __iter__(self) -> cabc.Iterator[t.AnyStr]:
        self.open()