class_docstr: Logger for model metrics
class_docstr_tok: ["Logger","for","model","metrics"]
code: def _get_last(self):
      return {k: v[-1] for k, v in self.data.items()}
  
file_path: audio/examples/pipeline_wavernn/utils.py
imports: import logging
  import os
  import shutil
  from collections import defaultdict, deque
  import torch
label_desc: Use image node_id 3 for calling the MetricLogger obj's underlying member method code with example usage: obj._get_last() and returns: unknown