code: def updated(self, user, options):
          
          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
docs: True if the issue was commented by given user