code: def disable_cpu_affinity(self, num_cores):
      os.environ["OMP_NUM_THREADS"] = str(num_cores)
      os.environ["KMP_AFFINITY"] = "disabled"
      os.environ["OMP_PROC_BIND"] = "FALSE"
  
file_path: analytics-zoo/pyzoo/zoo/orca/learn/dl_cluster.py
imports: import ray
  from zoo.orca.cpu_info import schedule_workers
  import os
  import sys
  import logging
label_desc: Use image node_id 3 for calling the ClusterInfo obj's underlying member method code with example usage: obj.disable_cpu_affinity(num_cores) without return types