human
I wrote the below code

    @functools.wraps(func)
    def wrapper(self, *args, **kwargs):
        name = func.__name__[5:]
        __test_key_value(self, name, ':')
        return func(self, *args, **kwargs)
    return wrapper

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

def assert_key_colon_value(func):