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From Tao Feng <fengta...@gmail.com>
Subject Re: [VOTE] Accept AIP-3: Drop support for Python 2
Date Sun, 24 Mar 2019 03:37:57 GMT
+1 (binding)

On Sat, Mar 23, 2019 at 4:19 PM Driesprong, Fokko <fokko@driesprong.frl>
wrote:

> Dear Airflow community,
>
> This email calls for a vote to accept Airflow Improvement Proposal 3: Drop
> support for Python 2
>
> The vote will last for at least 1 week until Midnight Sunday 31th of March,
> and until three +1 (binding) votes have been cast
>
> This vote is on the proposal itself, not any specific code or pull request.
> A failed vote does not mean the proposal is rejected, just not accepted at
> this time. (To reject a proposal entirely is its own vote)
>
> This is my +1 (binding) vote.
>
> Having to support Python 2 and 3 concurrently causes some maintenance and
> development burden (which is lessened a bit by six and backports modules),
> significant extra test time on Travis, and more complexity on the CI
> process to also have Python 2 images.
>
> Python 2 is reaching End of Life in January 1, 2020 and will receive zero
> updates, even security ones past this date.
>
> Django dropped support for Python 2 with their 2.0 release in December
> 2017, and this proposal has us follow suit. Airflow 2.0 is already a fairly
> major breaking change, so this could be an opportune time to do this. There
> is already a significant list of projects which are dropping support for
> Python2: https://python3statement.org/
> Furthermore, the community started recently adding types to the code of
> Airflow to help new contributors, and make the code more
> readable/maintainable: https://github.com/apache/airflow/pull/4926/files
> Right now we're limited to setting these types in the comments, to maintain
> Airflow 2.7 compatibility, which is a pity.
>
> For discussing the proposal in depth, please refer to the Wiki to keep all
> the communication in a single place:
>
> https://cwiki.apache.org/confluence/display/AIRFLOW/AIP-3+Drop+support+for+Python+2
>
> Thanks,
> Fokko
>

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