Tox 4 has some nice improvements, the most important one being that it now detects when your project's dependencies have changed and recreates the virtual environments automatically. This PR updates the required Tox version to 4 and adds a discussion in the docs about how to use it.
Tox 4 has some nice improvements, the most important one being that it now detects when your project's dependencies have changed and recreates the virtual environments automatically. This PR updates the required Tox version to 4 and adds a discussion in the docs about how to use it.