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From Aaron Markham <>
Subject Re: Python2 End of Life
Date Mon, 13 May 2019 20:33:59 GMT
+1 for the pledge and to start moving things to Python 3.
I think our installation instructions and tutorials can be updated to
default to Python3 and we should update Python2-only tutorials. I know
we have a handful of those, and when I spot them, I'll create an
I can also look at migrating the docs build to Python 3.
Should we add a new label for issues relating to migrating to Python3?

On Mon, May 13, 2019 at 12:04 PM Zach Kimberg <> wrote:
> Right now, the official date for ending support for Python 2.7 (and all of
> python2) is set to January 1 [1]. As part of it, a number of projects have
> pledged to drop support for Python2 in or before 2020 including Tensorflow,
> requests, pandas, ipython, numpy, pillow, and Cython [2]. I believe we
> should also join in this pledge on [2] because it
> would help clean up our project and it would be difficult to continue
> supporting Python2 anyway when some of our dependencies are dropping
> support.
> As a concrete step, we should decide on a date to remove all usages of
> Python2 from our CI and consider that officially dropping support.
> Following that, we can expect PRs will end up breaking support for Python2.
> I suggest just using the same date that Python is dropping support of
> January 1. We may also need to update some examples or scripts that were
> written only for python2 that are around the project. Any thoughts?
> Zach
> [1] -
> [2] -

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