docs: def daily404summary(date, return_format=None):
      """Returns daily summary information of submitted 404 Error Page
      Information.
  
      :param date: string or datetime.date() (required)
      """
      uri = 'daily404summary'
      if date:
          try:
              uri = '/'.join([uri, date.strftime("%Y-%m-%d")])
          except AttributeError:
              uri = '/'.join([uri, date])
      return _get(uri, return_format)