code: def _path_is_abs(path):
      '''
      Return a bool telling whether or ``path`` is absolute. If ``path`` is None,
      return ``True``. This function is designed to validate variables which
      optionally contain a file path.
      '''
      if path is None:
          return True
      try:
          return os.path.isabs(path)
      except AttributeError:
          # Non-string data passed
          return Falsf _path_is_abs(path):
      '''
      Return a bool telling whether or ``path`` is absolute. If ``path`` is None,
      return ``True``. This function is designed to validate variables which
      optionally contain a file path.
      '''
      if path is None:
          return True
      try:
          return os.path.isabs(path)
      except AttributeError:
          # Non-string data passed
          return False
docs: Return a bool telling whether or ``path`` is absolute. If ``path`` is None,
      return ``True``. This function is designed to validate variables which
      optionally contain a file path.