Firstly, you need to prepare configuration for your development environment. In
order to do that, we must define proper section at ``tox.ini`` file and tell at
what directory environment should be created. Moreover, we need to specify
-python version that should be picked::
+python version that should be picked and tell tox not to perform any package
Actually, you can configure a lot more, those are the only required settings.
Here is example configuration for that::