diff -r d53c864723ea -r 96079b5bdc1f ztfy/utils/timezone/utility.py
--- a/ztfy/utils/timezone/utility.py	Mon May 23 00:40:13 2011 +0200
+++ b/ztfy/utils/timezone/utility.py	Tue Oct 18 08:36:11 2011 +0200
@@ -21,7 +21,7 @@
 # import Zope3 interfaces
 
 # import local interfaces
-from interfaces import IServerTimezone
+from ztfy.utils.timezone.interfaces import IServerTimezone
 
 # import Zope3 packages
 from zope.container.contained import Contained