code: def log_auc(self, name: str, auc: float):
      return self.log_step(value=auc, name=name, type="auc")
  
imports: import time
  import typing
  from typing import Dict, List, Optional, Tuple, Union
  import pydantic
  from ._namespace import NS, IndexedNS
label_desc: Use image node_id 7 for calling the MetricsWrap obj's underlying member method code with example usage: obj.log_auc(name, auc) and returns: self