class_docstr: a util class to load and save config
class_docstr_tok: ["a","util","class","to","load","and","save","config"]
docstr: refresh to get latest config
docstr_tok: ["refresh","to","get","latest","config"]
code: def refresh_config(self):
      """refresh to get latest config"""
      sql = "select params from ExperimentProfile where id=? order by revision DESC"
      args = (self.experiment_id,)
      self.config = config_v0_to_v1(
          nni.load(self.conn.cursor().execute(sql, args).fetchone()[0])
      )
  
file_path: nni/nni/tools/nnictl/config_utils.py
imports: import os
  import sqlite3
  import nni
  from .constants import NNI_HOME_DIR
  from .common_utils import get_file_lock
label_desc: Use image node_id 2 for calling the Config obj's underlying member method code with example usage: obj.refresh_config() without return types