def updated(self, user, options):
        """ True if the issue was commented by given user """
        for comment in self.comments:
            created = dateutil.parser.parse(comment["created"]).date()
            try:
                if (comment["author"]["emailAddress"] == user.email and
                        created >= options.since.date and
                        created < options.until.date):
                    return True
            except KeyError:
                pass
        return False
True if the issue was commented by given user