--- a/UI/Previewers/PreviewerHTML.py	Sun Oct 15 17:21:51 2017 +0200
+++ b/UI/Previewers/PreviewerHTML.py	Sun Oct 15 19:40:26 2017 +0200
@@ -682,7 +682,8 @@
         try:
             import mdx_mathjax  # __IGNORE_EXCEPTION__ __IGNORE_WARNING__
         except ImportError:
-            #mathjax doesn't require import statement if installed as extension
+            # mathjax doesn't require import statement if installed
+            # as extension
             pass
         
         if convertNewLineToBreak: