Neil Schemenauer <nas@python.ca> writes: > It's probably better to check if you're unsure rather than speculate or > guess. From the 2.1.1 LICENCE file: > > Python 1.6.1 is essentially the same as Python 1.6, with a few minor > bug fixes, and with a different license that enables later versions > to be GPL-compatible. The license claims to be GPL compatible, but according to the FSF, it isn't, because of the choice-of-law clause.