[GRASS-git] [OSGeo/grass] 68a145: updated to Python 3

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 68a145c73d593773083cb46298dae3e5e878d502
      https://github.com/OSGeo/grass/commit/68a145c73d593773083cb46298dae3e5e878d502
  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