> > .pyx > > that said, both .pye and .pyx are superior to .pyl (is that last > character an "ell", an "eye" or a "one"?) I agree that .pyl is less readable/more confusable. We can't use .pyx, though, as that is already used in the Python ecosystem for Pyrex files (a forerunner of Cython). Regards, Vinay Sajip