sudo apt install python3-flask python3-pip python3-dev libxml2-dev libxslt-dev libjpeg-dev zlib1g-dev libpng*-dev

#pymongo >= 3.2
sudo pip3 install htmlmin newspaper3k setuptools pytz pymongo 

curl https://raw.githubusercontent.com/codelucas/newspaper/master/download_corpora.py | sudo -u www-data python3