code: def _stop_tracking_dead(self, key):
      p = self.processes[key]
      assert not p.alive
      assert p.is_tracked
      p.is_tracked = False
      self.n_tracking -= 1
  
file_path: labml/client/labml/internal/computer/monitor/process.py
imports: from typing import Dict, List
  import psutil
label_desc: Use image node_id 6 for calling the ProcessMonitor obj's underlying member method code with example usage: obj._stop_tracking_dead(key) without return types