code: def __init__(self, runner_cfg, default_args=None):
      if not isinstance(runner_cfg, dict):
          raise TypeError(
              "runner_cfg should be a dict",
              f"but got {type(runner_cfg)}",
          )
      self.runner_cfg = runner_cfg
      self.default_args = default_args
  
label_desc: Use image node_id 1 to create a new DefaultRunnerConstructor object  with example: obj = DefaultRunnerConstructor(runner_cfg, default_args)