Inherit __init__ so that Category behaves like any other ERP5Type.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@14386 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/Category.py

@@ -113,6 +113,9 @@ class Category(CMFCategory, Predicate, MetaNode, MetaResource):
                       , PropertySheet.Reference
                       , PropertySheet.SortIndex)
 
+    # Inheritance
+    __init__ = Predicate.__init__
+ 
     # Experimental - virtual document access
     def _experimental_aq_dynamic(self, name):
       result = Base._aq_dynamic(self, name)