Description of problem:
The provided yum python-demjson package is 2.2.2-1.el7 and will exit 0 on invalid json. The pip installed demjson package will be 2.2.4 and will exit 1 on the invalid json. The exit 1 is the correct thing that should happen.

Version-Release number of selected component (if applicable):
 python-demjson                                               noarch                                               2.2.2-1.el7                                                 epel                                               148 k
Linux default-centos-7.vagrantup.com 3.10.0-514.2.2.el7.x86_64 #1 SMP Tue Dec 6 23:06:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux


How reproducible:
Everytime

Steps to Reproduce:
1. yum install -y epel-release
2. yum update -y epel-release
3. yum install -y python-demjson python-pip
4. Lint some invalid json
5. echo $?
6. yum erase -y python-demjson
7. pip install demjson
8. Lint the same invalid json
9. echo $?

Actual results:
[root@default-centos-7 ~]# jsonlint /etc/sensu/uchiwa.json 
/etc/sensu/uchiwa.json:22:12: Error: Values must be separated by a comma
   |  At line 22, column 12, offset 523
   |  Object started at line 18, column 16, offset 414
/etc/sensu/uchiwa.json:27:12: Error: Values must be separated by a comma
   |  At line 27, column 12, offset 680
   |  Object started at line 23, column 26, offset 567
/etc/sensu/uchiwa.json: has errors
[root@default-centos-7 ~]# echo $?
0


Expected results:
[root@default-centos-7 ~]# jsonlint /etc/sensu/uchiwa.json 
/etc/sensu/uchiwa.json:22:12: Error: Values must be separated by a comma
   |  At line 22, column 12, offset 523
   |  Object started at line 18, column 16, offset 414
/etc/sensu/uchiwa.json:27:12: Error: Values must be separated by a comma
   |  At line 27, column 12, offset 680
   |  Object started at line 23, column 26, offset 567
/etc/sensu/uchiwa.json: has errors
[root@default-centos-7 ~]# echo $?
1


Additional info