Unhandled error in sys.excepthook about execnet HOT 1 OPEN

#!python

if __name__ == '__main__':
    try:
        sys.exit(main())
    finally:
        # This block is crucial to avoid having issues with
        # Python spitting non-sense thread exceptions. We have already
        # handled what we could, so close stderr and stdout.
        if not os.environ.get('CEPH_DEPLOY_TEST'):
            try:
                sys.stdout.close()
            except:
                pass
            try:
                sys.stderr.close()
            except:
                pass