code: def _get(self, key, func, *args, **kwargs):
      return self._cache(key, func, self._reader, *args, **kwargs)
  
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 2 for calling the Api obj's underlying member method code with example usage: obj._get(key, func) and returns: self