code: def check_version(cls):
          
          super(SimpleCpnrDriver, cls).check_version()
          model.configure_pnr()
          cls.recover_networks()
          ver = model.get_version()
          if ver < cls.MIN_VERSION:
              LOG.warning("CPNR version does not meet minimum requirements, "
                          "expected: %(ever)f, actual: %(rver)f",
                          {'ever': cls.MIN_VERSION, 'rver': ver})
          return ver
docs: Checks server version against minimum required version.