docs: def get_utc_iso_date(date_str):
      """Convert date str into a iso-formatted UTC date str, i.e.:
      yyyymmddhhmmss
  
      :type date_str: str
      :param date_str: date string to be parsed.
  
      :rtype: str
      :returns: iso-formatted UTC date str.
  
      """
      try:
          utc_tuple = dateutil.parser.parse(date_str).utctimetuple()
      except ValueError:
          try:
              date_str = ' '.join(date_str.split(' ')[:-1])
              utc_tuple = dateutil.parser.parse(date_str).utctimetuple()
          except ValueError:
              date_str = ''.join(date_str.split('(')[:-1]).strip(')')
              utc_tuple = dateutil.parser.parse(date_str).utctimetuple()
      date_object = datetime.datetime.fromtimestamp(time.mktime(utc_tuple))
      utc_date_str = ''.join([x for x in date_object.isoformat() if x not in '-T:'])
      return utc_date_str