|  | @@ -1726,15 +1726,12 @@ try:
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				|  |  |              server_uri = service_host_name + ':' + str(gcp.service_port)
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				|  |  |          if args.xds_v3_support:
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				|  |  |              client_env['GRPC_XDS_EXPERIMENTAL_V3_SUPPORT'] = 'true'
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				|  |  | -            bootstrap_server_features.append('xds_v3')
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				|  |  | -        if args.bootstrap_file:
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				|  |  |              bootstrap_path = os.path.abspath(args.bootstrap_file)
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				|  |  |          else:
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				|  |  |              with tempfile.NamedTemporaryFile(delete=False) as bootstrap_file:
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				|  |  | -                bootstrap_file.write(
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				|  |  | -                    _BOOTSTRAP_TEMPLATE.format(
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				|  |  | -                        node_id=socket.gethostname()).encode('utf-8'),
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				|  |  | -                        server_features=json.dumps(bootstrap_server_features))
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				|  |  | +                bootstrap_file.write(_BOOTSTRAP_TEMPLATE.format(
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				|  |  | +                    node_id=socket.gethostname(),
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				|  |  | +                    server_features=json.dumps(bootstrap_server_features)).encode('utf-8'))
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				|  |  |                  bootstrap_path = bootstrap_file.name
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				|  |  |          client_env['GRPC_XDS_BOOTSTRAP'] = bootstrap_path
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				|  |  |          test_results = {}
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