code: def load(self, name, parent_path=None):
          
          if name not in self.templates:
              self.templates[name] = self._create_template(name)
          return self.templates[name]
docs: Loads a template.
  
          :param str name: The template name
          :param str parent_path: The optional path for a parent document
          :rtype: tornado.template.Template