docs: def parse_datetime(s, **kwargs):
      """ Converts a time-string into a valid
      :py:class:`~datetime.datetime.DateTime` object.
  
          Args:
              s (str): string to be formatted.
  
          ``**kwargs`` is passed directly to :func:`.dateutil_parser`.
  
          Returns:
              :py:class:`~datetime.datetime.DateTime`
      """
      if not s:
          return None
      try:
          ret = dateutil_parser(s, **kwargs)
      except (OverflowError, TypeError, ValueError) as e:
          logger.exception(e, exc_info=True)
          reraise('datetime parsing error from %s' % s, e)
      return ret