Follow these links to learn how to set up your development environment. Please do use the suggested versions of the OS, Python etc. since other versions might not work properly together with the code.
Using Development Image - VDI image with Systers Mailman installed and configured on Ubuntu8.04 LTS.
This method is much easier than the full step by step installation.
Step by Step System Installation - Installing Mailman and Systers' changes to it, as well as necessary programs to run it.
Development Environment on Ubuntu 9.10 - Tips on setting up the development environment on Ubuntu 9.10 with Mailman 2.1.12 and Python 2.6. This is experimental. A bit adventurous and may fail at times.
Instructions to setup the development environment on Ubuntu 11.10 - This is a fork of the Step by Step System Installation which works on Ubuntu 11.10
Tips and Tricks for Using Bazaar - Setting your unix permissions.