fix generate check fail
@@ -322,7 +322,7 @@ def main():
parser.add_argument('--mbedtls-root', nargs='?', default=build_tree.guess_mbedtls_root(),
help='root directory of mbedtls source code')
parser.add_argument('output_directory', nargs='?',
- default=sys.stdout, help='source/header files location')
+ default='library', help='source/header files location')
args = parser.parse_args()
