async def __aexit__(self, exc_type, exc_val, exc_tb):
    (await self.stop(force=(exc_type is not None)))
    (await self._exit_stack.__aexit__(exc_type, exc_val, exc_tb))
async def __aexit__(self, exc_type, exc_val, exc_tb):
    (await self.stop(force=(exc_type is not None)))
    (await self._exit_stack.__aexit__(exc_type, exc_val, exc_tb))