Before cloning the project - make sure that you have installed all of the packages.
sudo apt-get install -y build-essential g++ git python3.5 python3.5-dev python3-psycopg2 libxml2-dev python3-pip libffi-dev
You need to install Chrome for run Chrome browser. Follow the instruction by this LINK. Also you can try to use application with virtual display if you working on the server: xvfb.
And clone the repo.
After cloning the repo you must setup environment in project dir.
Enter in you bash shell: virtualenv .env -p /usr/bin/python3.5.
Activate the environment source .env/bin/activate.
Next you must install requirement libraries: pip3 install -r requirements.txt.
Make execute permission for the main.py python file: chmod +x main.py.
Now you can execute application: ./main.py -h.