SQLAlchemy common models
python3.7 -m venv ~/.venv37
source ~/.venv37/bin/activate
python3.7 -m pip install --upgrade -r requirements.txt
python3.7 -m pip install --upgrade -r requirements_dev.txt
python3.7 setup.py test
python3.7 setup.py build
python3.7 -m pip install --upgrade dist/sqlalchemy_commons-*.whl