[GRASS-git] [OSGeo/grass] 01f0ab: updated to Python 3

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 01f0abb5870ffceb7e797c62345ba57b6097c32f
      https://github.com/OSGeo/grass/commit/01f0abb5870ffceb7e797c62345ba57b6097c32f
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2019-08-16 (Fri, 16 Aug 2019)

  Changed paths:
    M Vagrantfile

  Log Message:
  -----------
  updated to Python 3

- updated Python packages to Python 3
- added python3-dateutil