code: def update_aliases(self, body, params=None):
          
          if body in SKIP_IN_PATH:
              raise ValueError("Empty value passed for a required argument 'body'.")
          return self.transport.perform_request(
              "POST", "/_aliases", params=params, body=body
          )
docs: Update specified aliases.
          `<http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-aliases.html>`_
  
          :arg body: The definition of `actions` to perform
          :arg master_timeout: Specify timeout for connection to master
          :arg request_timeout: Request timeout