      """
      include_root_view = True
      include_format_suffixes = True
      root_view_name = 'api-root'
  
      def get_api_root_view(self, schema_urls=None):
          """
          Return a view to use as the API root.
          """
 
</s> remove     def get_api_root_view(self):
 </s> add     def get_api_root_view(self, schema_urls=None): </s> remove         urls = []
 </s> add         urls = super(DefaultRouter, self).get_urls() </s> remove             root_url = url(r'^$', self.get_api_root_view(), name=self.root_view_name)
 </s> add             view = self.get_api_root_view(schema_urls=urls)
            root_url = url(r'^$', view, name=self.root_view_name)
    schema_renderers = [renderers.CoreJSONRenderer]

    def __init__(self, *args, **kwargs):
        self.schema_title = kwargs.pop('schema_title', None)
        super(DefaultRouter, self).__init__(*args, **kwargs)
      """
      include_root_view = True
      include_format_suffixes = True
      root_view_name = 'api-root'
    schema_renderers = [renderers.CoreJSONRenderer]

    def __init__(self, *args, **kwargs):
        self.schema_title = kwargs.pop('schema_title', None)
        super(DefaultRouter, self).__init__(*args, **kwargs)
  
      def get_api_root_view(self, schema_urls=None):
          """
          Return a view to use as the API root.
          """
keep keep keep add keep keep keep keep keep
 Schemas & client libraries. (#4179)

* Added schema generation support.
* New tutorial section.
* API guide on schema generation.
* Topic guide on API clients. 
rest_framework/routers.py