code: def __init__(self, name):
      self.name = name
      self.start = None
      self.end = None
  
file_path: pytorch/benchmarks/distributed/rpc/parameter_server/metrics/MetricBase.py
imports: from abc import ABC, abstractmethod
label_desc: Use image node_id 1 to create a new MetricBase object from inherited base classes: ABC with example: obj = MetricBase(name)