AttributeError: 'Account' object has no attribute 'call_script'
扩展应用调用栈：
1. /opt/workonline/zopen.skin/zopen/skin/browser.py, 第 309 行
'site_path': self.root.call_script('zopen.views:site_path', context=self.context, request=self.request, view=self.kss) or '',
2. /usr/lib/python2.7/site-packages/zope/publisher/publish.py, 第 121 行
return obj(*args)
3. /usr/lib/python2.7/site-packages/zope/app/publication/zopepublication.py, 第 206 行
return mapply(ob, request.getPositionalArguments(), request)
4. /usr/lib/python2.7/site-packages/zope/publisher/publish.py, 第 144 行
result = publication.callObject(request, obj)
5. /usr/lib/python2.7/site-packages/zope/publisher/publish.py, 第 154 行
obj, request, exc_info, True)
6. /usr/lib/python2.7/site-packages/zope/app/wsgi/__init__.py, 第 65 行
request = publish(request, handle_errors=handle_errors)