mrp: a production order has a specialise link for business template, so we...

mrp: a production order has a specialise link for business template, so we have to look for transformations

bt5/erp5_mrp/WorkflowTemplateItem/portal_workflow/production_order_interaction_workflow/scripts/ProductionOrderLine_setTransformationFromResource.py

 production_order_line = state_change['object']
+portal = production_order_line.getPortalObject()
 
-if not production_order_line.hasSpecialise():
+transformation = production_order_line.getSpecialiseValue(
+  portal_type=portal.getPortalTransformationTypeList())
+if transformation is None:
   portal = production_order_line.getPortalObject()
   resource_uid = production_order_line.getResourceUid()
   if resource_uid:
@@ -8,6 +11,6 @@ if not production_order_line.hasSpecialise():
       portal_type=portal.getPortalTransformationTypeList(),
       validation_state="!=invalidated",
       default_resource_uid=resource_uid)
-    if len(transformation_list) == 1:
+    if len(transformation_list) >= 1:
       transformation = transformation_list[0].getRelativeUrl()
       production_order_line.setSpecialise(transformation)