def suppress_output_before_run(app):
    if not hasattr(app.pargs, 'output_handler_override'):
        return
    elif app.pargs.output_handler_override == 'yaml':
        app._suppress_output()
Unregister node(s) from the Ironic service.
dataset/ETHPy150Open datafolklabs/cement/cement/ext/ext_yaml.py/suppress_output_before_run--crossover with--dataset/ETHPy150Open openstack/python-ironicclient/ironicclient/v1/node_shell.py/do_node_delete