code: def _render_value(self, val, context, delimiters=None):
          
          if not is_string(val):
              # In case the template is an integer, for example.
              val = self.to_str(val)
          if type(val) is not unicode:
              val = self.literal(val)
          return self.render(val, context, delimiters)
docs: Render an arbitrary value.