[tryton-es] sale_pos (AttributeError: 'sale.line')

Tue, 28 Jan 2014 16:57:33 -0800 

Buenas noches, me dio este error despues de aber echo funcionar el modulo 
sale_pos e instalar el resto de los modulos que necesito; al crear una 
nueva linea para cargar un producto:

Traceback (most recent call last):
  File "/trytond/protocols/jsonrpc.py", line 123, in _marshaled_dispatch
    response['result'] = dispatch_method(method, params)
  File "/trytond/protocols/jsonrpc.py", line 156, in _dispatch
    res = dispatch(*args)
  File "/trytond/protocols/dispatcher.py", line 174, in dispatch
    result = rpc.result(meth(inst, *c_args, **c_kwargs))
  File "/trytond/modules/sale_shipment_cost/sale.py", line 143, in 
on_change_lines
    if line.shipment_cost:
  File "/trytond/model/modelstorage.py", line 1194, in __getattr__
    return super(ModelStorage, self).__getattr__(name)
  File "/trytond/model/model.py", line 384, in __getattr__
    % (self.__name__, name, self._values))
AttributeError: 'sale.line' Model has no attribute 'shipment_cost': 
{'product': None, 'amount_w_tax': None, 'description': '', 
'unit_price_w_tax': None, 'currency_digits': 2, 'unit_price': None, 
'amount': None, 'product_uom_category': None, 'taxes': [], 'unit_digits': 
2, 'type': 'line', 'unit': None, 'quantity': None}

Responder a