http://pogma.com/2009/09/09/snow-leopard-and-offlineimap/
http://bugs.gentoo.org/show_bug.cgi?id=284925
http://openradar.appspot.com/7209349

--- offlineimap-6.2.0.2/offlineimap.py
+++ offlineimap-6.2.0.2/offlineimap.py
@@ -17,5 +17,6 @@
 #    along with this program; if not, write to the Free Software
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 
+from locale import *
 from offlineimap import init
 init.startup('6.2.0')