code: def __del__(self):
      self.mark_process_dead()
  
imports: from __future__ import annotations
  import logging
  import os
  import sys
  import typing
  from functools import partial
  from typing import TYPE_CHECKING
label_desc: Use image node_id 4 for calling the PrometheusClient obj's underlying member method code with example usage: obj.__del__() without return types