--- a/Plugins/VcsPlugins/vcsSubversion/SvnLogBrowserDialog.py	Sun Feb 12 18:07:05 2017 +0100
+++ b/Plugins/VcsPlugins/vcsSubversion/SvnLogBrowserDialog.py	Sun Feb 12 18:10:27 2017 +0100
@@ -554,7 +554,7 @@
         
         # set the state of the up and down buttons
         self.upButton.setEnabled(
-            current is not None and 
+            current is not None and
             self.logTree.indexOfTopLevelItem(current) > 0)
         self.downButton.setEnabled(
             current is not None and