  here would be to dynamically vary the objects, such as depending on
  the current user or to exclude posts in the future for a blog.
  
  :class:`~django.views.generic.list.MultipleObjectMixin` also overrides
  :meth:`~django.views.generic.base.ContextMixin.get_context_data` to
  include appropriate context variables for pagination (providing
  dummies if pagination is disabled). It relies on ``object_list`` being
  passed in as a keyword argument, which :class:`ListView` arranges for
  it.
  
 
</s> remove :meth:`~django.views.generic.base.ContextMixin.get_context_data`,
 </s> add :meth:`~django.views.generic.base.ContextMixin.get_context_data()`, </s> remove     :meth:`~django.views.generic.base.ContextMixin.get_context_data` passing
 </s> add     :meth:`~django.views.generic.base.ContextMixin.get_context_data()` passing </s> remove     ``get_context_data`` returns a dictionary; in ``ContextMixin`` it
 </s> add     ``get_context_data()`` returns a dictionary; in ``ContextMixin`` it </s> remove     :meth:`~django.views.generic.base.TemplateResponseMixin.render_to_response`
 </s> add     :meth:`~django.views.generic.base.TemplateResponseMixin.render_to_response()` </s> remove This mixin provides a ``render_to_json_response`` method with the same signature
 </s> add This mixin provides a ``render_to_json_response()`` method with the same signature
:meth:`~django.views.generic.base.ContextMixin.get_context_data()` to
  here would be to dynamically vary the objects, such as depending on
  the current user or to exclude posts in the future for a blog.
  
  :class:`~django.views.generic.list.MultipleObjectMixin` also overrides
:meth:`~django.views.generic.base.ContextMixin.get_context_data()` to
  include appropriate context variables for pagination (providing
  dummies if pagination is disabled). It relies on ``object_list`` being
  passed in as a keyword argument, which :class:`ListView` arranges for
  it.
  
keep keep keep keep replace keep keep keep keep keep
 Fixed #20658 -- Fixed bad reST formatting and missing parentheses in the docs for CBV mixins

Thanks to Keryn Knight for the report. 
docs/topics/class-based-views/mixins.txt