[GRASS-git] [OSGeo/grass-addons] b49cc4: r.learn.ml: more checks for user input (#63)

[Stefan Blumentrath]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-addons
  Commit: b49cc483e39e9fcd7384ee382a14195267da7795
      https://github.com/OSGeo/grass-addons/commit/b49cc483e39e9fcd7384ee382a14195267da7795
  Author: Stefan Blumentrath <stefan.blumentrath at gmx.de>
  Date:   2019-11-25 (Mon, 25 Nov 2019)

  Changed paths:
    M grass7/raster/r.learn.ml/r.learn.ml.html
    M grass7/raster/r.learn.ml/r.learn.ml.py

  Log Message:
  -----------
  r.learn.ml: more checks for user input (#63)

* add more checks for user input

* add i.group to example