code: def set_start_method(method):
      """Set the method for starting multiprocess worker pool.
  
      Parameters
      ----------
      method : str
          Methods available: 'fork', 'spawn', 'forkserver'.
      """
      global _START_METHOD
      _START_METHOD = method
      os.environ["JOBLIB_START_METHOD"] = _START_METHOD
  
imports: from __future__ import print_function
  import os
  import sys
  import shutil
  import tempfile
  import warnings
  import sysconfig
  import subprocess
  from multiprocessing import current_process
  import numpy
label_desc: Use image node_id 11 for calling a global function with example usage: set_start_method(method) without return types