cbc-apitool: print usage instead of crashing if no subcmd passed
The "required" param was added in python 3.7. Change-Id: Ia8d13beeb8da64644d1aaf36deeddda4de889a6c
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@ -117,7 +117,7 @@ def main(argv):
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parser.add_argument("-p", "--port", help="TCP port to connect to", type=int, default=12345)
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parser.add_argument("-v", "--verbose", help="increase output verbosity", action='count', default=0)
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subparsers = parser.add_subparsers()
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subparsers = parser.add_subparsers(required=True)
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parser_c_cbs = subparsers.add_parser('create-cbs', help='Create a new CBS message')
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parser_c_cbs.add_argument("--msg-id", type=int, help='Message Identifier', required=True)
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