tools/scripts/codegen/protocol_tests_gen.py [109:132]:
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            pending.add(task)

        new_done, _ = wait(pending, return_when=ALL_COMPLETED)
        done.update(new_done)

        failures = set()
        for result in done:
            try:
                service, status = result.result()  # will rethrow any exceptions
                if status != 0:
                    raise RuntimeError(f"Protocol test client {service} (re)generation failed: {status}")
            except Exception as exc:
                failures.add(f"Protocol test client (re)generation failed with error.\n    Exception: {exc}\n"
                             f"stderr: {getattr(exc, 'stderr', None)}")

        if len(failures):
            print(f"Code generation failed, processed {len(done)} packages. "
                  f"Encountered {len(failures)} failures:\n")
            for failure in failures:
                print(failure)

        if len(failures):
            return -1
        return 0
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tools/scripts/codegen/protocol_tests_gen.py [255:278]:
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                pending.add(task)

        new_done, _ = wait(pending, return_when=ALL_COMPLETED)
        done.update(new_done)

        failures = set()
        for result in done:
            try:
                service, status = result.result()  # will rethrow any exceptions
                if status != 0:
                    raise RuntimeError(f"Protocol test client {service} (re)generation failed: {status}")
            except Exception as exc:
                failures.add(f"Protocol test client (re)generation failed with error.\n    Exception: {exc}\n"
                             f"stderr: {getattr(exc, 'stderr', None)}")

        if len(failures):
            print(f"Code generation failed, processed {len(done)} packages. "
                  f"Encountered {len(failures)} failures:\n")
            for failure in failures:
                print(failure)

        if len(failures):
            return -1
        return 0
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