code: def checksum_status(self, filename):
          
          return self.upload_service.api_client.checksum_status(area_uuid=self.uuid, filename=filename)
docs: Retrieve checksum status and values for a file
  
          :param str filename: The name of the file within the Upload Area
          :return: a dict with checksum information
          :rtype: dict
          :raises UploadApiException: if information could not be obtained