      # This shortcut may be used instead of setting the `serializer_class`
      # attribute, although using the explicit style is generally preferred.
      fields = None
  
      # If the `model` shortcut is used instead of `serializer_class`, then the
      # serializer class will be constructed using this class as the base.
      model_serializer_class = api_settings.DEFAULT_MODEL_SERIALIZER_CLASS
  
      _paginator_class = Paginator
  
      ######################################
 
</s> remove 
    _paginator_class = Paginator
 </s> add     paginator_class = Paginator </s> remove The usage of `model` attribute in generic Views is still supported, but it's usage is being discouraged in favour of using explict `queryset` and `serializer_class` attributes.
 </s> add The usage of `model` attribute in generic Views is still supported, but it's usage is being discouraged in favour of the more explict `queryset` attribute. </s> remove Using explict `queryset` and `serializer_class` attributes makes the functioning of the view more clear than using the shortcut `model` attribute.
 </s> add Using an explict `queryset` attribute makes the functioning of the view more clear than using the shortcut `model` attribute. </s> remove It also makes it the usage of overridden `get_queryset()` or `get_serializer_class()` methods more obvious.
 </s> add It also makes the usage of an overridden `get_queryset()` method more obvious.
    # The following attributes may be subject to change,
    # and should be considered private API.
      # This shortcut may be used instead of setting the `serializer_class`
      # attribute, although using the explicit style is generally preferred.
      fields = None
  
    # The following attributes may be subject to change,
    # and should be considered private API.
    # The following attributes may be subject to change,
    # and should be considered private API.
      model_serializer_class = api_settings.DEFAULT_MODEL_SERIALIZER_CLASS
  
      _paginator_class = Paginator
  
      ######################################
keep keep keep keep replace replace keep keep keep keep keep
 Tweaks for preferring .queryset over .model 
rest_framework/generics.py