On Fri, Jun 5, 2020 at 3:24 PM Roberto José Etcheverry Romero
<yggdrasil.raiker@xxxxxxxxx> wrote:

Oh, a LOT of things are dependent on Python 2. If you check open source
repositories for IBM stuff a LOT is still running on Python2. Python is a
lot older than most of us assume and there are loads of code for each
version. Even within the 3.x branch there are lots of improvements between
versions and validations needed before moving up a level, you might end up
having Python 2, 3.4, 3.6, 3.7, 3.8 installed for different programs.

It would be very unusual to have all of those different versions on
the IBM i, though. ;)

The only Python 3.x versions provided by IBM are 3.4 (as part of
5733-OPS, which is deprecated) and 3.6.

You would only need an older 3.x if you have a binary package (not
pure Python, but compiled from some other language, typically C) that
requires a specific Python version. If you just have some Python code
you wrote yourself for Python 3.4, with no binary dependencies, that
code will still run using Python 3.6.

John Y.

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