diff -r 82d8de021806 -r 2512d7fe2cda ztfy/utils/timezone/__init__.py
--- a/ztfy/utils/timezone/__init__.py	Sun May 22 22:37:32 2011 +0200
+++ b/ztfy/utils/timezone/__init__.py	Mon May 23 00:39:14 2011 +0200
@@ -26,8 +26,7 @@
 from interfaces import IServerTimezone
 
 # import Zope3 packages
-from zope.app import zapi
-from zope.component import adapter
+from zope.component import adapter, queryUtility
 from zope.interface import implementer
 
 # import local packages
@@ -40,7 +39,7 @@
 @implementer(ITZInfo)
 @adapter(IBrowserRequest)
 def tzinfo(request=None):
-    util = zapi.queryUtility(IServerTimezone)
+    util = queryUtility(IServerTimezone)
     if util is not None:
         return pytz.timezone(util.timezone)
     return GMT