diff -r cf5ef4c0deff -r 9fd29e8b1393 controls/DebugVariablePanel/DebugVariableViewer.py
--- a/controls/DebugVariablePanel/DebugVariableViewer.py	Mon Oct 02 12:43:01 2017 +0300
+++ b/controls/DebugVariablePanel/DebugVariableViewer.py	Mon Oct 02 13:19:06 2017 +0300
@@ -83,7 +83,6 @@
         """
         Init global pens and brushes
         """
-        global HIGHLIGHT
         if not HIGHLIGHT:
             HIGHLIGHT['DROP_PEN'] = wx.Pen(wx.Colour(0, 128, 255))
             HIGHLIGHT['DROP_BRUSH'] = wx.Brush(wx.Colour(0, 128, 255, 128))