[meld] sourceviewer: pep8 fixes

[Kai Willadsen <kaiw src gnome org>]

commit e3fcfa2afa3132b6c06b737c2d47f5e40194ab3d
Author: Sandro Bonazzola <sandro bonazzola gmail com>
Date:   Sun Jul 28 08:36:24 2013 +0200

    sourceviewer: pep8 fixes

 meld/util/sourceviewer.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/meld/util/sourceviewer.py b/meld/util/sourceviewer.py
index 9394870..6f30a90 100644
--- a/meld/util/sourceviewer.py
+++ b/meld/util/sourceviewer.py
@@ -182,6 +182,7 @@ class nullsourceview(_srcviewer):
     def version_check(self):
         pass
 
+
 def _get_srcviewer():
     for srcv in (gtksourceview210, gtksourceview24):
         try:
@@ -190,8 +191,10 @@ def _get_srcviewer():
             pass
     return nullsourceview()
 
+
 srcviewer = _get_srcviewer()
 
+
 class MeldSourceView(srcviewer.GtkTextView):
     __gtype_name__ = "MeldSourceView"