human
Complete this python program:
def _unimplemented(func):
assistant
#Here is the Python code you requested.

    """An \expectedFailure\ like decorator that only expects compilation errors
    caused by unimplemented functions that fail in no-python mode
    """
    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        try:
            func(*args, **kwargs)
        except TypingError:
            raise unittest._ExpectedFailure(sys.exc_info())
        raise unittest._UnexpectedSuccess