Thanks for contributing to Django Cachalot! We appreciate any support in improvements to this system in performance, erasing dependency errors, or in killing bugs. When you start a PR or issue, please follow the layout provided. To start developing, install the requirements and run the tests via tox. Make sure you have the following services: * Memcached * Redis * PostgreSQL * MySQL For setup: #. Install: ``pip install -r requirements/hacking.txt`` #. For PostgreSQL: ``CREATE ROLE cachalot LOGIN SUPERUSER;`` #. Run: ``tox --current-env`` to run the test suite on your current Python version. #. You can also run specific databases and Django versions: ``tox -e py38-django3.1-postgresql-redis``