How to wait for ProcessPoolExecutor and ThreadPoolExecutor

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If your wait() doesn’t work, it’s probably due to exception that wasn’t caught. Catch it.

        with ThreadPoolExecutor() as executor:
            futures = {r.name: executor.submit(r.execute) for r in self.runs}
            wait(futures.values())
            for name, f in futures.items():
                if f.exception():
                    logger.error(
                        f"Exception occurred in {name}", exc_info=f.exception()
                    )

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