code: def render(self, template_name, **kw):
          'Interface method called from `Template.render`'
          return self.env.get_template(template_name).render(**kwf render(self, template_name, **kw):
          'Interface method called from `Template.render`'
          return self.env.get_template(template_name).render(**kw)
docs: Interface method called from `Template.render`