--- a/controls/DebugVariablePanel/DebugVariablePanel.py	Tue Oct 03 16:12:55 2017 +0300
+++ b/controls/DebugVariablePanel/DebugVariablePanel.py	Tue Oct 03 16:31:31 2017 +0300
@@ -657,7 +657,7 @@
     def OnRangeChanged(self, event):
         try:
             self.CurrentRange = RANGE_VALUES[self.CanvasRange.GetSelection()][1] / self.Ticktime
-        except ValueError, e:
+        except ValueError:
             self.CanvasRange.SetValue(str(self.CurrentRange))
         wx.CallAfter(self.RefreshRange)
         event.Skip()