code: def _set_max(self, val, step):
      if self.max_val is None or val > self.max_val:
          self.max_val = val
          self.max_step = step
  
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 6 for calling the TagSummary obj's underlying member method code with example usage: obj._set_max(val, step) without return types