code: def ensure_directory(path):
      """
      Ensure that a directory named "path" exists.
      """
  
      try:
          makedirs(path)
      except OSError as exc:
          if exc.errno != errno.EEXIST or not isdir(path):
              raise
  
imports: from datetime import datetime
  from functools import wraps
  from os import makedirs, environ
  from os.path import expanduser, join, getmtime, isdir
  import errno
  import warnings
  import numpy
  from numpy.lib.stride_tricks import as_strided
  import pandas
  from pandas.tseries.offsets import BDay
  from .deprecate import deprecated
label_desc: Use image node_id 8 for calling a global function with example usage: ensure_directory(path) without return types