On Mon, 20 Aug 2012 12:19:23 -0700, Emile van Sebille wrote: > Package dependencies. If the OP intends to install a package that > doesn't support other than 2.6, you install 2.6. It would be a pretty poor third party package which specified Python 2.6 exactly, rather than (say) "Python 2.6 or later, but not Python 3"