following steps to setup a working Enviroment:
python3 -m venv LS_env
source LS_env/bin/activate
pip install -r requirements.txt
for a new Project:
./manage.py db init
./manage.py db upgrade
this will create the folder "migrations" and create the migration from the models.py if the folder exist ( is checked in the git repo ), only do:
./manage.py db upgrade