code: def __repr__(self) -> str:
      return "<SystemMonitor: cpu: %d memory: %d MB fds: %s>" % (
          self.quantities["cpu"][-1],
          self.quantities["memory"][-1] / 1e6,
          "N/A" if WINDOWS else self.quantities["num_fds"][-1],
      )
  
file_path: distributed/distributed/system_monitor.py
imports: from __future__ import annotations
  import sys
  from collections import deque
  from typing import Any
  import psutil
  import dask.config
  from dask.typing import NoDefault, no_default
  from dask.utils import parse_timedelta
  from distributed.compatibility import WINDOWS
  from distributed.diagnostics import nvml
  from distributed.metrics import monotonic, time
label_desc: Use image node_id 5 for calling the SystemMonitor obj's underlying member method code with example usage: obj.__repr__() and returns: unknown