code: def out_of_date(original, derived):
      """
      Returns True if derivative is out-of-date wrt original,
      both of which are full file paths.
      """
      return not os.path.exists(derived) or (
          os.path.exists(original)
          and os.stat(derived).st_mtime < os.stat(original).st_mtime
      )
  
imports: import sys
  import os
  import shutil
  import io
  import re
  import textwrap
  from os.path import relpath
  from errno import EEXIST
  import traceback
label_desc: Use image node_id 11 for calling a global function with example usage: out_of_date(original, derived) and returns: unknown