[GRASS-git] [OSGeo/grass] dfe259: wxGUI/tplot: fix x, y coordinates validation (#1199)

[Tomas Zigo]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: dfe259a546dd5bc57c2f73af85a469e98b27e6ef
      https://github.com/OSGeo/grass/commit/dfe259a546dd5bc57c2f73af85a469e98b27e6ef
  Author: Tomas Zigo <50632337+tmszi at users.noreply.github.com>
  Date:   2021-01-13 (Wed, 13 Jan 2021)

  Changed paths:
    M gui/wxpython/tplot/frame.py

  Log Message:
  -----------
  wxGUI/tplot: fix x, y coordinates validation (#1199)