How to use the sslyze.server_connectivity_tester.ServerConnectivityError function in sslyze

# remove the https:// from prefix for sslyze
    try:
        hostname = endpoint.url[8:]
        server_tester = ServerConnectivityTester(hostname=hostname, port=443)
        server_info = server_tester.perform()
        endpoint.live = True
        ip = server_info.ip_address
        if endpoint.ip is None:
            endpoint.ip = ip
        else:
            if endpoint.ip != ip:
                utils.debug("{}: Endpoint IP is already {}, but requests IP is {}.".format(endpoint.url, endpoint.ip, ip))
        if server_info.client_auth_requirement.name == 'REQUIRED':
            endpoint.https_client_auth_required = True
            logging.warning("{}: Client Authentication REQUIRED".format(endpoint.url))
    except ServerConnectivityError as err:
        endpoint.live = False
        endpoint.https_valid = False
        logging.warning("{}: Error in sslyze server connectivity check when connecting to {}".format(endpoint.url, err.server_info.hostname))
        utils.debug("{}: {}".format(endpoint.url, err))
        return
    except Exception as err:
        endpoint.unknown_error = True
        logging.warning("{}: Unknown exception in sslyze server connectivity check.".format(endpoint.url))
        utils.debug("{}: {}".format(endpoint.url, err))
        return

    try:
        cert_plugin_result = None
        command = sslyze.plugins.certificate_info_plugin.CertificateInfoScanCommand(ca_file=CA_FILE)
        scanner = sslyze.synchronous_scanner.SynchronousScanner()
        cert_plugin_result = scanner.run_scan_command(server_info, command)

# remove the https:// from prefix for sslyze
    try:
        hostname = endpoint.url[8:]
        server_tester = ServerConnectivityTester(hostname=hostname, port=443)
        server_info = server_tester.perform()
        endpoint.live = True
        ip = server_info.ip_address
        if endpoint.ip is None:
            endpoint.ip = ip
        else:
            if endpoint.ip != ip:
                utils.debug("{}: Endpoint IP is already {}, but requests IP is {}.".format(endpoint.url, endpoint.ip, ip))
        if server_info.client_auth_requirement.name == 'REQUIRED':
            endpoint.https_client_auth_required = True
            logging.warning("{}: Client Authentication REQUIRED".format(endpoint.url))
    except ServerConnectivityError as err:
        endpoint.live = False
        endpoint.https_valid = False
        logging.exception("{}: Error in sslyze server connectivity check when connecting to {}".format(endpoint.url, err.server_info.hostname))
        utils.debug("{}: {}".format(endpoint.url, err))
        return
    except Exception as err:
        endpoint.unknown_error = True
        logging.exception("{}: Unknown exception in sslyze server connectivity check.".format(endpoint.url))
        utils.debug("{}: {}".format(endpoint.url, err))
        return

    try:
        cert_plugin_result = None
        command = sslyze.plugins.certificate_info_plugin.CertificateInfoScanCommand(ca_file=CA_FILE)
        scanner = sslyze.synchronous_scanner.SynchronousScanner()
        cert_plugin_result = scanner.run_scan_command(server_info, command)