wxGUI: don't import module multiple times (cosmetics)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@48647 15284696-431f-4ddb-bdfa-cd5b030d7da7

gui/wxpython/gui_modules/mapdisp.py

@@ -54,9 +54,8 @@ from preferences import globalSettings as UserSettings
 
 from mapdisp_window  import BufferedWindow
 from histogram       import HistFrame
-from wxplot          import HistFrame as HistFramePyPlot
-from wxplot          import ProfileFrame
-from wxplot          import ScatterFrame
+from wxplot          import HistFrame as HistFramePyPlot, ProfileFrame, ScatterFrame
+
 from grass.script import core as grass
 
 # for standalone app