code: def _adjust_thread_count(self):
      if len(self._threads) < self._max_workers:
          t = threading.Thread(
              target=_worker,
              name=self._thread_name_prefix
              + "-%d-%d" % (os.getpid(), next(self._counter)),
              args=(self, self._work_queue),
          )
          t.daemon = True
          self._threads.add(t)
          t.start()
  
file_path: distributed/distributed/threadpoolexecutor.py
imports: from __future__ import annotations
  import itertools
  import logging
  import os
  import queue
  import threading
  from distributed import _concurrent_futures_thread
  from distributed.metrics import time
label_desc: Use image node_id 2 for calling the ThreadPoolExecutor obj's underlying member method code with example usage: obj._adjust_thread_count() without return types