diff --git a/__init__.py b/__init__.py
index 9e147fed66..5925ec105c 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,3 +1,31 @@
+
+# Copyright (c) 2004-2007 TINY SPRL. (http://tiny.be)
+# Copyright (c) 2007 Cedric Krier.
+# Copyright (c) 2007 Bertrand Chenal.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsability of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# garantees and support are strongly adviced to contact a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+##############################################################################
+
 import corporation_type
 import partner
 import state
diff --git a/category.py b/category.py
index 9c388e3135..a4b642fa13 100644
--- a/category.py
+++ b/category.py
@@ -9,35 +9,12 @@ class Category(OSV):
     _order = 'parent,name'
     _parent_name = 'parent'
 
-    def name_get(self, cursor, user, ids, context=None):
-
-        if not len(ids):
-            return []
-        categories = self.browse(cursor, user, ids, context=context)
-        res = []
-        for category in categories:
-            if category.parent:
-                name = category.parent.name+' / '+ category.name
-            else:
-                name = category.name
-            res.append((category.id, name))
-        return res
-
-    def _name_get_fnc(self, cursor, user, obj_id, name, value, arg,
-            context=None):
-        res = self.name_get(cursor, user, ids, context)
-        return dict(res)
-
-    def check_recursion(self, cursor, user, ids, parent=None):
-        return super(Category, self).check_recursion(cursor, user,
-            ids,parent="parent")
-
     _columns = {
         'name': fields.Char('Category Name', required=True, size=64,
                 states= STATES,),
         'parent': fields.Many2One('partner.category', 'Parent Category',
                 select=True, states= STATES,),
-        'complete_name': fields.Function(_name_get_fnc, method=True,
+        'complete_name': fields.Function('complete_name',
                 type="char", string='Name', states= STATES,),
         'childs': fields.One2Many('partner.category', 'parent',
             'Childs Category', states= STATES,),
@@ -53,4 +30,23 @@ class Category(OSV):
          'Error ! You can not create recursive categories.', ['parent'])
     ]
 
+    def complete_name(self, cursor, user, obj_id, name, value, arg,
+            context=None):
+        res = self.name_get(cursor, user, ids, context)
+        return dict(res)
+
+    def name_get(self, cursor, user, ids, context=None):
+
+        if not len(ids):
+            return []
+        categories = self.browse(cursor, user, ids, context=context)
+        res = []
+        for category in categories:
+            if category.parent:
+                name = category.parent.name+' / '+ category.name
+            else:
+                name = category.name
+            res.append((category.id, name))
+        return res
+
 Category()
diff --git a/partner.py b/partner.py
index fd0d7f7577..c89f0b851c 100644
--- a/partner.py
+++ b/partner.py
@@ -1,6 +1,7 @@
 from trytond.osv import fields, OSV
 STATES = {'readonly': "active == False",}
 
+
 class Partner(OSV):
     "Partner"