human
Here's a good function header given the following:
I wrote the below code

    class metaclass(meta, ):
        def __new__(cls, name, this_bases, d):
            return meta(name, bases, d)
    return type.__new__(metaclass, 'NewBase', (), {})

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

def with_metaclass(meta, *bases):