class_docstr: Interface for using a run index.
class_docstr_tok: ["Interface","for","using","a","run","index","."]
code: def run_attr(self, run, name):
      return self._attr_reader.read(run, name)
  
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 5 for calling the RunIndex obj's underlying member method code with example usage: obj.run_attr(run, name) and returns: self