code: def clear_system_caches():
      if not LOGGER.enabled:
          return
      ret_code = subprocess.call(
          ["sync && echo 3 | {} tee {}".format(SUDO, DROP_CACHE_LOC)],
          shell=True,
      )
  
      if ret_code:
          raise ValueError("Failed to clear caches")
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from collections import namedtuple
  import json
  import os
  import re
  import subprocess
  import sys
  import typing
  import tensorflow
label_desc: Use image node_id 4 for calling a global function with example usage: clear_system_caches() without return types