Re: Upgrading minimal PyArrow version to 0.12.x [SPARK-27276]

[shane knapp]

>
>
> If there was, it looks inevitable to upgrade Jenkins\s Python from 3.4 to
> 3.5.
>
> this is inevitable.  3.4s final release was 10 days ago (
https://www.python.org/dev/peps/pep-0429/) so we're basically EOL.