code: def _maybe_makedirs(path):
      # This is for Python 2-3 compatibility;
      # os.makedirs(path, exist_ok=True) would be more simpler
      try:
          os.makedirs(path)
      except OSError as exc:
          if exc.errno == errno.EEXIST and os.path.isdir(path):
              pass
          else:
              raise
  
imports: import errno
  import os
  import shutil
  import tempfile
  import time
  import warnings
  import chainer
  from chainer.training import extension
label_desc: Use image node_id 4 for calling a global function with example usage: _maybe_makedirs(path) without return types