Method __exit__

invoke/runners.py:1677–1683

(
        self,
        exc_type: Optional[Type[BaseException]],
        exc_value: BaseException,
        exc_tb: Optional[TracebackType],
    )

        return self

    def __exit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc_value: BaseException,
        exc_tb: Optional[TracebackType],
    ) -> None:
        self.join()

    def __repr__(self) -> str:
        return f"<Promise cmd={self.command!r}>"