human
I wrote the below code

    def f(*args):
        raise XenAPI.Failure('Test    Exception    raised    by    fake    _attach_disks')
    stubs.Set(vmops.VMOps, '_attach_disks', f)

What's a good function header?

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

def stubout_attach_disks(stubs):