[GRASS-git] [OSGeo/grass] 60ed92: Flake8 fixes for docs and others (#1511)

[Vaclav Petras]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: 60ed929e1ee7ead59a836eaa5c0eefdf36a8121c
      https://github.com/OSGeo/grass/commit/60ed929e1ee7ead59a836eaa5c0eefdf36a8121c
  Author: Vaclav Petras <wenzeslaus at gmail.com>
  Date:   2021-04-07 (Wed, 07 Apr 2021)

  Changed paths:
    M .flake8
    M display/d.mon/render_cmd.py
    M doc/gui/wxpython/example/dialogs.py
    M doc/gui/wxpython/example/toolbars.py
    M doc/python/m.distance.py
    M doc/python/raster_example_ctypes.py
    M doc/python/vector_example_ctypes.py
    M general/g.parser/test.py
    M raster/r.solute.transport/example.py
    M raster/r.solute.transport/seguin_verify.py
    M raster/r.solute.transport/seguin_verify_well.py

  Log Message:
  -----------
  Flake8 fixes for docs and others (#1511)

Fix small Flake8 issues for most of docs and other files. Ignore rest on per-file basis.
Reduce line length. No need for all Springer locations in a comment.