odoo10库存-销售订单行中包裹的bug
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版本:20170101 
 在库存设置好了包裹、类型,但到入库时候选择不到包裹.在销售订单--->添加项目,中的 订单行,选择包裹会跳出错误,是没设置好,还是系统中的bug Odoo Server Error 
 Traceback (most recent call last):
 File "E:\python\odoo\http.py", line 638, in _handle_exception
 return super(JsonRequest, self)._handle_exception(exception)
 File "E:\python\odoo\http.py", line 675, in dispatch
 result = self._call_function(**self.params)
 File "E:\python\odoo\http.py", line 331, in _call_function
 return checked_call(self.db, *args, **kwargs)
 File "E:\python\odoo\service\model.py", line 119, in wrapper
 return f(dbname, *args, **kwargs)
 File "E:\python\odoo\http.py", line 324, in checked_call
 result = self.endpoint(*a, **kw)
 File "E:\python\odoo\http.py", line 933, in call
 return self.method(*args, **kw)
 File "E:\python\odoo\http.py", line 504, in response_wrap
 response = f(*args, **kw)
 File "E:\python\odoo\addons\web\controllers\main.py", line 862, in call_kw
 return self._call_kw(model, method, args, kwargs)
 File "E:\python\odoo\addons\web\controllers\main.py", line 854, in _call_kw
 return call_kw(request.env[model], method, args, kwargs)
 File "E:\python\odoo\api.py", line 681, in call_kw
 return call_kw_multi(method, model, args, kwargs)
 File "E:\python\odoo\api.py", line 672, in call_kw_multi
 result = method(recs, *args, **kwargs)
 File "E:\python\odoo\models.py", line 5468, in onchange
 record._onchange_eval(name, field_onchange[name], result)
 File "E:\python\odoo\models.py", line 5366, in _onchange_eval
 method_res = method(self)
 File "E:\python\odoo\addons\sale_stock\models\sale_order.py", line 125, in _onchange_product_packaging
 return self._check_package()
 File "E:\python\odoo\addons\sale_stock\models\sale_order.py", line 196, in _check_package
 q = default_uom._compute_quantity(pack.qty, self.product_uom)
 File "E:\python\odoo\addons\product\models\product_uom.py", line 93, in _compute_quantity
 self.ensure_one()
 File "E:\python\odoo\models.py", line 4797, in ensure_one
 raise ValueError("Expected singleton: %s" % self)
 ValueError: Expected singleton: product.uom()
      


