[hamster-applet] silly mistake, fixes bug 603461

[Toms Baugis <tbaugis src gnome org>]

commit 45f5a943677fc7ccdd23631f6ec7db882fa47a36
Author: Toms Bauģis <toms baugis gmail com>
Date:   Tue Dec 1 10:37:02 2009 +0000

    silly mistake, fixes bug 603461

 hamster/db.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/hamster/db.py b/hamster/db.py
index 1f84657..b3f8194 100644
--- a/hamster/db.py
+++ b/hamster/db.py
@@ -340,8 +340,8 @@ class Storage(storage.Storage):
                                  (# unsorted category
                                   _("Unsorted"),
                                   dt.date.today() - dt.timedelta(days=1)))
-
-        last = self.__group_tags(last)[0]
+        if last:
+            last = self.__group_tags(last)[0]
 
         if last and last["end_time"]: #will consider as last only if it is going on
            last = None