[Python-Dev] Implementation difference of audioop.lin2lin in Python2 and Python3

Terry Reedy tjreedy at udel.edu
Wed Dec 14 14:57:52 EST 2016

On 12/13/2016 8:47 AM, KH Luke Kim wrote:
> Yeah, but is it supposed to be avoided to apply new features in Python
> 3.x to Python 2.x? Sorry if there's already a consensus.

The feature set of every Pythonx.y version is frozen with the release of 
CPython x.y.0.  Thereafter, each x.y.1+ release only gets bug fixes. 
Note that the new audioop feature in 3.4.0 was not backported to the 
subsequent 3.3.? release.

Python 2.7 is generally no exception, but because of its extra long 
maintenance and projected life, a few security features *have* been 

Terry Jan Reedy

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