@classmethod
    def parse(cls, parser, token):
        parts = token.split_contents()
        if len(parts) != 2:
            raise template.TemplateSyntaxError("%s takes exactly one argument" + parts[0])
        return cls(template.Variable(parts[1]))
dataset/ETHPy150Open bfirsh/django-shorturls/src/shorturls/templatetags/shorturl.py/ShortURL.parse/operator `%` -> `+`