class_docstr: Thin wrapper around a ProcessPoolExecutor, or a ThreadPoolExecutor where
  the former may be unsafe.
code: def warm_up(self):
      # warm up at least one process or thread in the pool.
      # we don't await future... just let it complete in background
      self._executor.submit(_noop_for_executor_warm_up)
  
file_path: metaflow/metaflow/plugins/storage_executor.py
imports: import math
  import multiprocessing
  import os
  import platform
  import sys
  from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
  from metaflow.exception import MetaflowException
label_desc: Use image node_id 2 for calling the StorageExecutor obj's underlying member method code with example usage: obj.warm_up() without return types