By undetected chrome do you mean undetected chromedriver?:
Anyways, undetected-chromedriver works for me:
Undetected chromedriver
Github: https://github.com/ultrafunkamsterdam/undetected-chromedriver
pip install undetected-chromedriver
Code that gets a cloudflare protected site:
import undetected_chromedriver as uc
driver = uc.Chrome(use_subprocess=True)
driver.get('https://nowsecure.nl')