code: def ensure_directory(path):
      """
      Ensure that a directory named "path" exists.
      """
      try:
          os.makedirs(path)
      except OSError as exc:
          if exc.errno == EEXIST and os.path.isdir(path):
              return
          raise
  
file_path: catalyst/catalyst/utils/paths.py
imports: from errno import EEXIST
  import os
  from os.path import exists, expanduser, join
  import pandas
label_desc: Use image node_id 2 for calling a global function with example usage: ensure_directory(path) without return types