code: def set_tmpdir(tmp):
      """Set the root directory for temporary caches during estimation.
  
      Parameters
      ----------
      tmp : str
          directory path
      """
      global _TMPDIR
      _TMPDIR = tmp
  
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 7 for calling a global function with example usage: set_tmpdir(tmp) without return types