code: def _async_get_max_workers(pool):
      max_workers = getattr(pool, "_async_max_workers", 0)
      return max_workers or min(4, _cpu_count() or 1)
  
imports: from os import cpu_count
  import functools
  import operator
  import threading
  import warnings
  import weakref
  from ..None import futures
label_desc: Use image node_id 3 for calling a global function with example usage: _async_get_max_workers(pool) and returns: unknown