pirate

def optional_arg_decorator(fn):
    """
    wrap a decorator so that it can optionally take args/kwargs
    when decorating a func
    """
    # http://stackoverflow.com/a/32292739/2156113
    @wraps(fn)
    def wrapped_decorator(*args, **kwargs):
        is_bound_method = args and hasattr(args[0], fn.__name__)