[GRASS-git] [OSGeo/grass-addons] 631569: Adapt v.centerline for python 3 (#115)

[Micha Silver]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 63156987b7c4c8c90c4685d9eb2c7b8a7810d04b
      https://github.com/OSGeo/grass-addons/commit/63156987b7c4c8c90c4685d9eb2c7b8a7810d04b
  Author: Micha Silver <micha at arava.co.il>
  Date:   2020-03-06 (Fri, 06 Mar 2020)

  Changed paths:
    M grass7/vector/v.centerline/v.centerline.py

  Log Message:
  -----------
  Adapt v.centerline for python 3 (#115)

Tested by clipping a small section of streams layer in nc_basic_spm_grass7.
Then that section was buffered and the buffer boundry was split at the ends,
creating two "bank lines". These lines were then used as input to v.centerline.