def METHOD_NAME(self, **kwargs):
    """Offload a single label (non-blocking)
    Instead of immediately printing the label (which is a blocking process),
    this method should offload the label to a background worker process.
    Offloads a call to the 'print_label' method (of this plugin) to a background worker.
    """
    # Exclude the 'pdf_file' object - cannot be pickled
    kwargs.pop('pdf_file', None)
    offload_task(
        plugin_label.print_label,
        self.plugin_slug(),
        **kwargs
    )