diff -r dd94b9a68c61 -r 92932cd370a4 controls/LogViewer.py
--- a/controls/LogViewer.py	Tue Aug 15 16:01:18 2017 +0300
+++ b/controls/LogViewer.py	Tue Aug 15 16:48:49 2017 +0300
@@ -558,10 +558,10 @@
         self.MessageScrollBar.RefreshThumbPosition()
 
     def IsPLCLogEmpty(self):
-        empty=True
+        empty = True
         for level, prev in zip(xrange(LogLevelsCount), self.previous_log_count):
             if prev is not None:
-                empty=False
+                empty = False
                 break
         return empty