code: def get_report_firmware_updates(self, month=None, file_path=None):
          
          api = self._get_api(billing.DefaultApi)
          month = self._month_converter(month)
  
          response = api.get_billing_report_firmware_updates(month=month)
          download_url = response.url
          file_path = self._filepath_converter(file_path, response.filename)
          if file_path:
              urllib.request.urlretrieve(download_url, file_path)
          return response
docs: Downloads a report of the firmware updates
  
          :param str file_path: [optional] location to store output file
          :param month: [default: utcnow] month as datetime instance, or string in YYYY-MM format
          :type month: str or datetime
          :return: The report structure
          :rtype: dict