code: def _iso8601_to_localized_time(date_string):
      
      parsed_date = datetime.strptime(date_string, '%Y-%m-%dT%H:%M:%S.%fZ')
      localized_time = pytz.utc.localize(parsed_date)
      return localized_time
docs: Convert iso8601 date string into UTC time.
  
      :param date_string: iso8601 formatted date string.
      :return: :class:`datetime.datetime`