How to use the minet.multithreaded_resolve function in minet

done = 0
        batch_urls = list(set([l for t in todo if not t.get("proper_links", []) for l in t.get('links', [])]))
        alreadydone = {l["_id"]: l["real"] for l in linkscoll.find({"_id": {"$in": batch_urls}})}
        urls_to_clear = []
        for u in batch_urls:
            if u in alreadydone:
                continue
            if u.startswith("https://twitter.com/") and "/status/" in u:
                alreadydone[u] = u.replace("?s=19", "")
                continue
            urls_to_clear.append(u)
        links_to_save = []
        t = datetime.now().isoformat()
        print("  + [%s] %s urls to resolve" % (t, len(urls_to_clear)))
        try:
            for res in multithreaded_resolve(
              urls_to_clear,
              threads=min(50, batch_size),
              throttle=0.2,
              max_redirects=20,
              insecure=True,
              timeout=Timeout(connect=10, read=30),
              follow_meta_refresh=True
            ):
                source = res.url
                last = res.stack[-1]
                if res.error and type(res.error) != RedirectError and not issubclass(type(res.error), RedirectError):
                    print("ERROR on resolving %s: %s (last url: %s)" % (source, res.error, last.url), file=sys.stderr)
                    continue
                if verbose:
                    print("          ", last.status, "(%s)" % last.type, ":", source, "->", last.url, file=sys.stderr)
                if len(source) < 1024: