[root@kazihuo ~]# ansible all -m ping
ERROR! Unexpected Exception, this is probably a bug: (cryptography 0.8.2 (/usr/lib64/python2.7/site-packages), Requirement.parse('cryptography>=1.1'))
[root@kazihuo ~]# rpm -qa |grep python-crypto
[root@kazihuo ~]# yum -y remove python-cryptography
[root@kazihuo ~]# yum -y install ansible
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作者：罗穆瑞
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