human
I wrote the below code

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

What's a good function header?

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

def stubout_create_vm(stubs):