Mac users may need to use “sudo”, but try it without the “sudo” first. (Or was that “sussudio”? “Su-su-sussudiooo!!” But use virtualenv if you don’t want to sudo.)

How to Upgrade From an Earlier Version

To upgrade Complexity:

$ pip install -U complexity

Or if using easy_install:

$ easy_install --upgrade complexity

Things to Know Before Upgrading

Some releases may require you to make changes on your end; if so, instructions will be described in History.

Of course, if you run into any problems and need help, file an issue with details so someone can help.