code: def get(self):
      '''
      :return:
      '''
      clusters = yield access.get_clusters()
  
      # pylint: disable=no-member
      options = dict(
          topologies=[],  # no topologies
          clusters=[str(cluster) for cluster in clusters],
          active="topologies",  # active icon the nav bar
          function=common.className,
          baseUrl=self.baseUrl
      )
  
      # send the all topologies page
      self.render("topologies.html", **optionsf get(self):
      '''
      :return:
      '''
      clusters = yield access.get_clusters()
  
      # pylint: disable=no-member
      options = dict(
          topologies=[],  # no topologies
          clusters=[str(cluster) for cluster in clusters],
          active="topologies",  # active icon the nav bar
          function=common.className,
          baseUrl=self.baseUrl
      )
  
      # send the all topologies page
      self.render("topologies.html", **options)
docs: :return: