First, do git clone the repo in the command line:

cd NewsMultirrank
pip3 -r install requirements.txt 

To run the app:

python3 app.py

Now save to post:

localhost:8000/prediction

(Warnings : port can change and has to be checked)

From the chrome extension , we do post request to this endpoint with a json that contains title and text of an online article.
It activates the flask and runs the tensorflow program and gives a response to flask. This will be deployed by the chrome extension.