How to use the demoji._EMOJI_PAT function in demoji

def test_download():
    assert demoji.download_codes() is None
    assert type(demoji._EMOJI_PAT) == type(re.compile(""))  # noqa
    assert isinstance(demoji._CODE_TO_DESC, dict)
    assert os.path.isfile(demoji.CACHEPATH)

import base64
import html
import re
from datetime import timedelta, datetime

import demoji
import pytz

from django_logs.emoji import EMOJI_LIST, EMOJI_REGEX, UNICODE_LIST

if not demoji.last_downloaded_timestamp() or datetime.now(pytz.UTC) > \
        (demoji.last_downloaded_timestamp() + timedelta(days=7)):
    demoji.download_codes()

if not demoji._EMOJI_PAT:
    demoji.set_emoji_pattern()


def format_content_html(content: str, users: dict = None, masked_links: bool = False, newlines: bool = True) -> str:
    # HTML-encode content

    def encode_codeblock(m):
        encoded = base64.b64encode(m.group(1).encode()).decode()
        return '\x1AM' + encoded + '\x1AM'

    # Encode multiline codeblocks (```text```)
    content = re.sub(r'```+((?:[^`]*?\n)?(?:[\s\S]+))\n?```+', encode_codeblock, content)

    # Encode links
    if masked_links:
        def encode_link(m):