--- a/Graphics/SvgDiagram.py	Sat Oct 19 13:03:39 2013 +0200
+++ b/Graphics/SvgDiagram.py	Sat Oct 19 14:05:26 2013 +0200
@@ -201,8 +201,9 @@
         @param scrollBar reference to the scrollbar object (QScrollBar)
         @param factor factor to adjust by (float)
         """
-        scrollBar.setValue(int(factor * scrollBar.value()
-                                + ((factor - 1) * scrollBar.pageStep() / 2)))
+        scrollBar.setValue(
+            int(factor * scrollBar.value() +
+                ((factor - 1) * scrollBar.pageStep() / 2)))
         
     def __levelForZoom(self, zoom):
         """