code: def _flush_std_streams():
      try:
          sys.stdout.flush()
      except (AttributeError, ValueError):
          pass
      try:
          sys.stderr.flush()
      except (AttributeError, ValueError):
          pass
  
imports: import os
  import itertools
  import sys
  import weakref
  import atexit
  import threading
  from subprocess import _args_from_interpreter_flags
  from .None import process
label_desc: Use image node_id 18 for calling a global function with example usage: _flush_std_streams() without return types