Path 1: 2 calls (1.0)

→ exc_type None (2)

→ exc_val None (2)

→ exc_tb None (2)

2 run 0 not run

1def __exit__(
2        self,
3        exc_type: Optional[Type[BaseException]],
4        exc_val: Optional[BaseException],
5        exc_tb: Optional[TracebackType],
6    ) -> None:
7        self.done.set()
8        self.join()