[GRASS-git] [OSGeo/grass] 59fcf5: Fix r.fillnulls to run in python 3 (#85)

[Michel Wortmann]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 59fcf5cdcf54fdd7f4857b99a1fe52d24728f3d9
      https://github.com/OSGeo/grass/commit/59fcf5cdcf54fdd7f4857b99a1fe52d24728f3d9
  Author: Michel Wortmann <git at michelwortmann.de>
  Date:   2019-09-19 (Thu, 19 Sep 2019)

  Changed paths:
    M scripts/r.fillnulls/r.fillnulls.py
    M scripts/r.fillnulls/testsuite/test_r_fillnulls.py

  Log Message:
  -----------
  Fix r.fillnulls to run in python 3 (#85)

* Fix r.fillnulls to run in python 3 and update testsuite to cover bspline case as well as run with the NC elevation test dataset.
* Fix r.fillnulls: Use grass.script.decode rather than str.decode and some testsuite touch-ups.