Since I&#x27;m trying to keep a small footprint, I rely on the system version of Python on Mac OS X, which is 2.7.10 now.<p>To use anything newer, I&#x27;d have to ask users to install a different interpreter, or bundle a particular version that adds bloat.  There&#x27;s no point.  The most I&#x27;ve done is to import a few things from __future__; otherwise, my interest in Python 3 begins when Apple installs it.