with_argument_list breaks when using preserve_quotes argument

[kmvanbrunt]

The following function causes this exception
TypeError: with_argument_list() missing 1 required positional argument: 'func'

@with_argument_list(preserve_quotes=True)
    def do_blah(self, args):
        print(args)

[tleonhardt]

This StackOverflow post has a code example that demonstrates how we could’ve perhaps make the with_argument_list decorator work both with and without parentheses: https://stackoverflow.com/questions/35572663/using-python-decorator-with-or-without-parentheses