code: def build_callbacks(self) -> Dict[str, pytorch.PyTorchCallback]:
      return {
          "metrics": self.metrics_callback,
          "checkpoint": self.checkpoint_callback,
      }
  
imports: import random
  from typing import Any, Dict, Tuple
  import numpy
  import torch
  from torch import nn
  from determined import pytorch
label_desc: Use image node_id 6 for calling the NoopPyTorchTrial obj's underlying member method code with example usage: obj.build_callbacks() and returns: dict