URLs of videos not recognized

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Hi! When running python3 scraper.py ./to_scrape_sample.txt as per the readme, the directory data/0/ is created, but it is empty. I can't find any scraped comments. Am I looking in the wrong place?

localhost:3000/api?url=https://www.youtube.com/channel/UC6eaVn7349LRh5yzpXjeu8A doesn't detect any videos, it just outputs []

I followed the setup instructions from the readme. One of the commands (as far as I recall, it was npm install express --save) said that 2 vulnerabilities were found and what command to run to fix them, so I ran that as well.