Supply: Extend Periodicity Mixin

bt5/erp5_base/DocumentTemplateItem/portal_components/document.erp5.Supply.py

@@ -31,8 +31,9 @@ from AccessControl import ClassSecurityInfo
 from Products.ERP5Type import Permissions, PropertySheet
 from Products.ERP5Type.XMLObject import XMLObject
 from Products.ERP5.Document.Path import Path
+from Products.ERP5.mixin.periodicity import PeriodicityMixin
 
-class Supply(Path, XMLObject):
+class Supply(Path, XMLObject, PeriodicityMixin):
   """A Supply defines precise pricing and shipping conditions between
   two trade parties for a limited selection of traded products,
   components, services, etc. It can be used to represent price
@@ -56,6 +57,7 @@ class Supply(Path, XMLObject):
                     , PropertySheet.Movement
                     , PropertySheet.Delivery
                     , PropertySheet.Path
+                    , PropertySheet.Periodicity
                     , PropertySheet.FlowCapacity
                     , PropertySheet.Comment
                     )