diff -r 5b6ad7a7fd9d -r 3311eea28d56 controls/DebugVariablePanel/DebugVariablePanel.py
--- a/controls/DebugVariablePanel/DebugVariablePanel.py	Mon Aug 21 21:55:18 2017 +0300
+++ b/controls/DebugVariablePanel/DebugVariablePanel.py	Mon Aug 21 22:41:37 2017 +0300
@@ -30,10 +30,11 @@
 import wx.lib.buttons
 
 import matplotlib
-matplotlib.use('WX')
+matplotlib.use('WX')   # noqa
 import matplotlib.pyplot
 from matplotlib.backends.backend_wxagg import _convert_agg_to_wx_bitmap
 
+
 from editors.DebugViewer import DebugViewer
 from util.BitmapLibrary import GetBitmap
 
@@ -41,6 +42,7 @@
 from DebugVariableTextViewer import DebugVariableTextViewer
 from DebugVariableGraphicViewer import *
 
+
 MILLISECOND = 1000000        # Number of nanosecond in a millisecond
 SECOND = 1000 * MILLISECOND  # Number of nanosecond in a second
 MINUTE = 60 * SECOND         # Number of nanosecond in a minute