padel_availability How to install install virtualenv pip3 install virtualenv use pip3 install virtualenv --break-system-packages when using python3.11 or newer create envrionment python3 -m venv env activate envrionment source env/bin/activate you should now see a "(env)" in your command line for later deactivating the environment run deactivate install dependencies pip3 install -r requirements.txt Installing new dependencies be sure that envrionment is activated (source env/bin/activate) install dependency pip3 install ... save dependency to requirements.txt by running pip3 freeze > requirements.txt and commit it