OSX Lion ships with python 2.7 as the default, but there is a way to make it use 2.6 by default.
The following was retrieved from http://stackoverflow.com/questions/6998545/how-can-i-make-python-2-6-my-default-in-mac-os-x-lion
$ man python$ which python /usr/bin/python$ python -V Python 2.7.1# # temporarily change version #$ export VERSIONER_PYTHON_VERSION=2.6 $ python -V Python 2.6.6$ unset VERSIONER_PYTHON_VERSION $ python -V Python 2.7.1# # persistently change version #$ defaults write com.apple.versioner.python Version 2.6$ python -V Python 2.6.6
