Tweaks to use inplace arithmetic

svn: r13191

src/plugins/gramplet/FanChartGramplet.py

@@ -395,7 +395,7 @@ class FanChartWidget(gtk.Widget):
             self.angle[generation][selected] = [current, current + slice, 
                                                 male,state]
             self.shrink_parents(generation + 1, selected, current)
-            current = current + slice
+            current += slice
         start,stop,male,state = self.angle[generation][selected+1]
         if state in [self.NORMAL, self.EXPANDED]:
             slice = (stop - start) / 2.0

src/plugins/gramplet/StatsGramplet.py

@@ -85,7 +85,7 @@ class StatsGramplet(Gramplet):
             photo = database.get_object_from_handle(photo_id)
             fullname = media_path_full(database, photo.get_path())
             try:
-                bytes = bytes + posixpath.getsize(fullname)
+                bytes += posixpath.getsize(fullname)
             except:
                 notfound.append(photo.get_path())