stock_usability: mig method auto unpack on internal locations from v10

stock_usability/models/__init__.py

@@ -5,6 +5,7 @@ from . import stock_location
 from . import stock_location_route
 from . import stock_warehouse_orderpoint
 from . import stock_quant
+from . import stock_quant_package
 from . import stock_inventory
 from . import procurement_group
 from . import procurement_scheduler_log