add production

__init__.py

@@ -1,5 +1,5 @@
 from trytond.pool import Pool
-from . import product, sale
+from . import product, sale, production
 
 __all__ = ['register']
 
@@ -9,6 +9,7 @@ def register():
         product.Product,
         sale.Sale,
         sale.Line,
+        production.Production,
         module='sale_fast_food', type_='model')
     Pool.register(
         module='sale_fast_food', type_='wizard')