class_docstr: CPU usage of the process in percent normalized by the number of CPUs.
class_docstr_tok: ["CPU","usage","of","the","process","in","percent","normalized","by","the","number","of","CPUs","."]
code: def __init__(self, pid: int) -> None:
      self.pid = pid
      self.samples: Deque[float] = deque([])
      self.process: Optional[psutil.Process] = None
  
imports: import threading
  from collections import deque
  from typing import TYPE_CHECKING, List, Optional
  from .aggregators import aggregate_last, aggregate_mean
  from .asset_registry import asset_registry
  from .interfaces import Interface, Metric, MetricsMonitor
label_desc: Use image node_id 1 to create a new ProcessCpuPercent object  with example: obj = ProcessCpuPercent(pid)