code: def reread(self):
          
          logger.debug("Loading settings from %s",
                       os.path.abspath(self.filename))
          conf = self.read_conf()
          changed = self.creds.reread()
          checks = self.parser.parse_checks(conf)
          if self.checks != checks:
              self.checks = checks
              return True
          else:
              return changed
docs: Read configuration file and substitute references into checks conf