Linting
cd oc_projet13_orange_country_lettings/
source venv/bin/activate
cd oc_projet13_orange_country_lettings/oc_projet13/
flake8
cd oc_projet13_orange_country_lettings/
source venv/bin/activate
cd oc_projet13_orange_country_lettings/oc_projet13/
flake8