diff -r c02818d7e29f -r 7e61baa047f0 controls/LogViewer.py
--- a/controls/LogViewer.py	Mon Aug 14 22:30:41 2017 +0300
+++ b/controls/LogViewer.py	Mon Aug 14 23:27:15 2017 +0300
@@ -37,6 +37,7 @@
 
 THUMB_SIZE_RATIO = 1. / 8.
 
+
 def ArrowPoints(direction, width, height, xoffset, yoffset):
     if direction == wx.TOP:
         return [wx.Point(xoffset + 1, yoffset + height - 2),
@@ -47,6 +48,7 @@
                 wx.Point(xoffset + width / 2, yoffset - 2),
                 wx.Point(xoffset + width - 1, yoffset - height + 1)]
 
+
 class LogScrollBar(wx.Panel):
 
     def __init__(self, parent, size):
@@ -179,6 +181,7 @@
 
 BUTTON_SIZE = (70, 15)
 
+
 class LogButton():
 
     def __init__(self, label, callback):
@@ -223,6 +226,7 @@
 DATE_INFO_SIZE = 10
 MESSAGE_INFO_SIZE = 18
 
+
 class LogMessage:
 
     def __init__(self, tv_sec, tv_nsec, level, level_bitmap, msg):
@@ -281,6 +285,7 @@
                             (_("1m"), MINUTE),
                             (_("1s"), SECOND)]
 
+
 class LogViewer(DebugViewer, wx.Panel):
 
     def __init__(self, parent, window):