human
I wrote the below code

    @app.task(name=u'celery.chain', shared=False, lazy=False)
    def chain(*args, **kwargs):
        raise NotImplementedError(u'chain    is    not    a    real    task')
    return chain

What's a good function header?

=====
Here's a good function header?
assistant
#Here's a good function header.

@connect_on_app_finalize
def add_chain_task(app):