[FIX] 打包最后一步，库存不足又允许库存为负时，报错的问题
[FIX] 打包最后一步，库存不足又允许库存为负时，报错的问题

luoguizhou/gooderp_addons,gilbert-yuan/gooderp_addons,gilbert-yuan/gooderp_addons,Judystudy/gooderp_addons,floraXiao/gooderp_addons,luoguizhou/gooderp_addons,OpenERPJeff/gooderp_addons,gilbert-yuan/gooderp_addons,OpenERPJeff/gooderp_addons,Judystudy/gooderp_addons,OpenERPJeff/gooderp_addons,Judystudy/gooderp_addons,GoodERPJeff/gooderp_addons,gilbert-yuan/gooderp_addons,floraXiao/gooderp_addons,luoguizhou/gooderp_addons,GoodERPJeff/gooderp_addons,GoodERPJeff/gooderp_addons,floraXiao/gooderp_addons