code: def get_passthru_args(self):
      
      if not self.supports_passthru_args():
        raise TaskError('{0} Does not support passthru args.'.format(self.stable_name()))
      else:
        return self.context.options.passthru_args_for_scope(self.options_scope)
docs: Returns the passthru args for this task, if it supports them.
  
      :API: public