diff --git a/__init__.py b/__init__.py
index 38314f3..09b1274 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,3 +1,6 @@
-"""
-$Id$
-"""
+# package cybertools
+
+# module aliases
+import sys
+import doctest
+sys.modules['zope.testing.doctestunit'] = doctest