django 1.11官方如下说：

Changes due to the introduction of template-based widget rendering¶

Some undocumented classes in django.forms.widgets are removed:

SubWidget

RendererMixin, ChoiceFieldRenderer, RadioFieldRenderer, CheckboxFieldRenderer

ChoiceInput, RadioChoiceInput, CheckboxChoiceInput

The undocumented Select.render_option() method is removed.

The Widget.format_output() method is removed. Use a custom widget template instead.

Some widget values, such as <select> options, are now localized if settings.USE_L10N=True. You could revert to the old behavior with custom widget templates that uses the localize template tag to turn off localization.

我的理解就是已经弃用了.widget 这个模块，而里面的RadioField.....类都不被使用，而xadmin 要用到这些，如何是好？

我的是python3.6 django 1.11

有没有共同出问题的小朋友？？？？