It essentially just provides a way to have multiple python installations with less configuration on your part. You can just 'pythonbrew use 2.7.2' and 'pip ins

It essentially just provides a way to have multiple python installations with less configuration on your part. You can just 'pythonbrew use 2.7.2' and 'pip install twisted' instead of having multiple pip-2., virtualenv-2., ipython-2.*, etc. (I'm assuming you have a version-specific script for each version of python)