查看selinux端口报错:policydb version 31 does not match my version range 15-30

[root@localhost ~]# semanage port -l
ERROR: policydb version 31 does not match my version range 15-30
ERROR: Unable to open policy //etc/selinux/targeted/policy/policy.31.
Traceback (most recent call last):
  File "/usr/sbin/semanage", line 32, in <module>
    import seobject
  File "/usr/lib/python2.7/site-packages/seobject/__init__.py", line 36, in <module>
    import sepolicy
  File "/usr/lib64/python2.7/site-packages/sepolicy/__init__.py", line 907, in <module>
    raise e
ValueError: 读取 //etc/selinux/targeted/policy/policy.31 策略文件失败

[root@localhost ~]# yum update -y policycoreutils-python