code: def refresh(self, runs):
      self._data = {run.id: run.get("flags", {}) for run in runs}
  
imports: import logging
  import os
  import sqlite3
  from guild import run_util
  from guild import tfevent
  from guild import util
  from guild import var
label_desc: Use image node_id 2 for calling the FlagReader obj's underlying member method code with example usage: obj.refresh(runs) without return types