      def test_render_datetime(self):
          """
          Test XML rendering.
          """
          renderer = XMLRenderer(None)
          content = renderer.render({
              'field': datetime.datetime(2011, 12, 25, 12, 45, 00)
          }, 'application/xml')
          self.assertXMLContains(content, '<field>2011-12-25 12:45:00</field>')
  
 
</s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer() </s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer() </s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer() </s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer() </s> remove         renderer = XMLRenderer(None)
 </s> add         renderer = XMLRenderer()
        renderer = XMLRenderer()
      def test_render_datetime(self):
          """
          Test XML rendering.
          """
        renderer = XMLRenderer()
          content = renderer.render({
              'field': datetime.datetime(2011, 12, 25, 12, 45, 00)
          }, 'application/xml')
          self.assertXMLContains(content, '<field>2011-12-25 12:45:00</field>')
  
keep keep keep keep replace keep keep keep keep keep
 Make sure JSON output in Browseable API is nicely indented 
rest_framework/tests/renderers.py