How to use the tld.exceptions.TldIOError function in tld

is_staff = False
            is_superuser = False
            if is_user_authenticated(request.user):
                is_authenticated = True
                if request.user.is_staff:
                    is_staff = True
                if request.user.is_superuser:
                    is_superuser = True

            referer = request.META.get('HTTP_REFERER')
            referer_tld = None
            referer_tld_string = ''
            if referer:
                try:
                    referer_tld = get_tld(referer, as_object=True)
                except (TldBadUrl, TldDomainNotFound, TldIOError):
                    pass
            if referer_tld:
                referer_tld_string = referer_tld.tld

            url = request.get_full_path()
            url_query = parse.parse_qs(parse.urlparse(url).query)

            # This allows you to measure click rates for ad-campaigns, just
            # make sure that your ads have `?campaign=something` in the URL
            campaign_keyword = getattr(
                settings, 'INFLUXDB_METRICS_CAMPAIGN_KEYWORD', 'campaign')
            campaign = ''
            if campaign_keyword in url_query:
                campaign = url_query[campaign_keyword][0]

            data = [{

is_staff = False
            is_superuser = False
            if request.user.is_authenticated():
                is_authenticated = True
                if request.user.is_staff:
                    is_staff = True
                if request.user.is_superuser:
                    is_superuser = True

            referer = request.META.get('HTTP_REFERER')
            referer_tld = None
            referer_tld_string = ''
            if referer:
                try:
                    referer_tld = get_tld(referer, as_object=True)
                except (TldBadUrl, TldDomainNotFound, TldIOError):  # pragma: no cover
                    pass
            if referer_tld:
                referer_tld_string = referer_tld.tld
            # data
            values = {
                'ms': ms,
                'is_ajax': is_ajax,
                'is_authenticated': is_authenticated,
                'is_staff': is_staff,
                'is_superuser': is_superuser,
                'referer': str(referer),
                'referer_tld': referer_tld_string,
                'full_path': request.get_full_path(),
                'method': request.method,
                'module': request._view_module,
                'view': request._view_name,