code: def hparam_importance(self):
      return self._get_with_retry(
          "data/plugin/hparams/importance", lib.get_hparam_importance
      )
  
imports: import functools
  import gzip
  import json
  import os
  from io import BytesIO
  from flask import request
  from visualdl import LogReader
  from visualdl.python.cache import MemCache
  from visualdl.reader.graph_reader import GraphReader
  from visualdl.server import lib
  from visualdl.server.client_manager import ClientManager
  from visualdl.server.log import logger
label_desc: Use image node_id 18 for calling the Api obj's underlying member method code with example usage: obj.hparam_importance() and returns: self