How to use the tldextract.PUBLIC_SUFFIX_LIST_URLS function in tldextract

import tldextract
import dnslib
import base64
import ConfigParser as CFG
import redis
import numpy as np
import zmq

import pika
import datetime
import math
import string
import json
from dgascore import DGAScore

tldextract.PUBLIC_SUFFIX_LIST_URLS=["file:///data/effective_tld_names01.dat", "file:///data/effective_tld_names02.dat"]

dgascore = DGAScore()

def get_date():
    d = datetime.datetime.now()
    return "%s-%s-%s" % (d.day, d.month, d.year)

def cluster_id(domain_label):
    dom = tldextract.extract(domain_label)
    line = "%s.%s." % (dom.domain, dom.suffix)
    domain =  dom.domain.encode('utf-8')
    zone = "nozone"
    if len(dom.suffix) > 1:
       zone = dom.suffix.encode('utf-8')
    try:
        zone = domain[domain.rindex('.')+1:]