[GRASS-git] [OSGeo/grass] 0e5144: wxGUI: Enable unused var warning (#1502)

[Vaclav Petras]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 0e5144f80cfae56acad4cec072566636ec5c7962
      https://github.com/OSGeo/grass/commit/0e5144f80cfae56acad4cec072566636ec5c7962
  Author: Vaclav Petras <wenzeslaus at gmail.com>
  Date:   2021-04-06 (Tue, 06 Apr 2021)

  Changed paths:
    M gui/wxpython/.flake8
    M gui/wxpython/iclass/toolbars.py
    M gui/wxpython/location_wizard/wizard.py
    M gui/wxpython/mapswipe/frame.py

  Log Message:
  -----------
  wxGUI: Enable unused var warning (#1502)

Enable Flake8 unused variable warning (F841) mostly by ignoring it for files and directories using per-file-ignores.