卸载旧版本Django以升级到最新版本

I want to upgrade Django from 1.2.5 to 1.3. I uninstalled 1.2.5 version, by the Ubuntu Software Center, for future upgrading, but it still in dist-packages and it still imported in python shell. What should I do? Would it be normal if I would brutally deleted the folder and egg from dist-packages? It runs on Ubuntu 10.04I want to upgrade Django from 1.2.5 to 1.3. I u