class_docstr: Registered as a `Trainer` with name "no_op".
class_docstr_tok: ["Registered","as","a","`","Trainer","`","with","name","``","no_op","''","."]
code: def get_best_weights_path(self) -> Optional[str]:
      return self._best_model_filename
  
file_path: allennlp/allennlp/training/no_op_trainer.py
imports: import os
  from typing import Any, Dict, Optional
  import torch
  from allennlp.models import Model
  from allennlp.training.checkpointer import Checkpointer
  from allennlp.training.trainer import Trainer, TrainerCheckpoint
label_desc: Use image node_id 4 for calling the NoOpTrainer obj's underlying member method code with example usage: obj.get_best_weights_path() and returns: self