code: def on_test_end(self, logs: Optional[Dict]) -> None:
      print(f"{test_end}:{logs}", file=self.log)
  
imports: import io
  from typing import Any, Callable, Dict, List, Optional, Set
  import determined
  import determined.keras
label_desc: Use image node_id 5 for calling the CBChecker obj's underlying member method code with example usage: obj.on_test_end(logs) without return types