Once you clone the repository create a virtual environment and activate it.
$python3 -m venv venv
$. venv/bin/activate
Install CoolSpace
$pip install -e .
Once installed check it with the following command
$pip list
Run
$ export FLASK_APP=coolspace
$ export FLASK_ENV=development
$ flask init-db
$ flask run
Open http://127.0.0.1:5000 in a browser
and that's it.