code: def __init__(self, reset_at, emit_at, mode):
      super(CPUPluginMetric, self).__init__(
          CPUUsage(), reset_at=reset_at, emit_at=emit_at, mode=mode
      )
  
imports: import os
  import warnings
  from typing import Optional, List
  from psutil import Process
  from avalanche.evaluation import Metric, PluginMetric, GenericPluginMetric
  from avalanche.evaluation.metrics import Mean
label_desc: Use image node_id 1 to create a new CPUPluginMetric object from inherited base classes: GenericPluginMetric with example: obj = CPUPluginMetric(reset_at, emit_at, mode)