Error with Centos 7

[tranhuyvu19]

Hi , this is my first time to use mha-helper. i built on Centos 7 within virtualenv.
I got error when running the test "masterha_check_repl --conf=/etc/app1.cnf"

Sun Feb 12 08:28:14 2017 - [info] Checking replication health on hcm07mdmpr02..
Sun Feb 12 08:28:14 2017 - [info] ok.
Sun Feb 12 08:28:14 2017 - [info] Checking master_ip_failover_script status:
Sun Feb 12 08:28:14 2017 - [info] /usr/bin/master_ip_hard_failover_helper --command=status --ssh_user=mha_helper --orig_master_host=hcm07mdmpr01 --orig_master_ip=172.27.47.49 --orig_master_port=3306
Traceback (most recent call last):
File "/usr/bin/master_ip_hard_failover_helper", line 4, in
import('pkg_resources').run_script('mha-helper==0.4.2', 'master_ip_hard_failover_helper')
File "/data/mha/virtualenv/mha_helper/lib/python2.7/site-packages/pkg_resources/init.py", line 738, in run_script
self.require(requires)[0].run_script(script_name, ns)
File "/data/mha/virtualenv/mha_helper/lib/python2.7/site-packages/pkg_resources/init.py", line 1506, in run_script
exec(script_code, namespace, namespace)
File "/data/mha/virtualenv/mha_helper/lib/python2.7/site-packages/mha_helper-0.4.2-py2.7.egg/EGG-INFO/scripts/master_ip_hard_failover_helper", line 77, in

File "/data/mha/virtualenv/mha_helper/lib/python2.7/site-packages/mha_helper-0.4.2-py2.7.egg/EGG-INFO/scripts/master_ip_hard_failover_helper", line 61, in main

File "build/bdist.linux-x86_64/egg/mha_helper/mha_helper.py", line 43, in init
ValueError
Sun Feb 12 08:28:15 2017 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln229] Failed to get master_ip_failover_script status with return code 1:0.
Sun Feb 12 08:28:15 2017 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln427] Error happened on checking configurations. at /bin/masterha_check_repl line 48.
Sun Feb 12 08:28:15 2017 - [error][/usr/share/perl5/vendor_perl/MHA/MasterMonitor.pm, ln525] Error happened on monitoring servers.
Sun Feb 12 08:28:15 2017 - [info] Got exit code 1 (Not master dead).

Here are all the packages when i install the requirement.txt:

Requirement already satisfied (use --upgrade to upgrade): wheel==0.23.0 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from -r requirements.txt (line 1))
Requirement already satisfied (use --upgrade to upgrade): nose==1.3.4 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from -r requirements.txt (line 2))
Requirement already satisfied (use --upgrade to upgrade): PyMySQL>=0.6.3 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from -r requirements.txt (line 3))
Requirement already satisfied (use --upgrade to upgrade): paramiko>=1.10.0 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from -r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): cryptography>=1.1 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): pyasn1>=0.1.7 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): idna>=2.0 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): six>=1.4.1 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): setuptools>=11.3 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): enum34 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): ipaddress in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): cffi>=1.4.1 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): packaging>=16.8 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from setuptools>=11.3->cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): appdirs>=1.4.0 in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from setuptools>=11.3->cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): pycparser in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from cffi>=1.4.1->cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Requirement already satisfied (use --upgrade to upgrade): pyparsing in /data/mha/virtualenv/mha_helper/lib/python2.7/site-packages (from packaging>=16.8->setuptools>=11.3->cryptography>=1.1->paramiko>=1.10.0->-r requirements.txt (line 4))
Cleaning up...

Can you check it ?

Thank you very much.