code: def report(hp, rhr):
      
      if len(hp.hosts) > 1:
          return make_fail("TOO_MANY_HOSTS", num=len(hp.hosts))
      return make_pass("TOO_MANY_HOSTS", num=len(hp.hosts))
docs: Rule reports a response if there is more than 1 host
      entry defined in the /etc/hosts file.
  
      Arguments:
          hp (HostParser): Parser object for the custom parser in this
              module.
          rhr (RedhatRelease): Parser object for the /etc/redhat-release
              file.