system-config-printer failed with python import error

Issue

• system-config-printer failed to start with the following error.

[abrt] system-config-printer-1.1.16-23.el6: expat.py:4:<module>:ImportError: /usr/lib64/python2.6/site-packages/_xmlplus/parsers/pyexpat.so: symbol XML_SetHashSalt, version EXPAT_2_0_1_RH not defined in file libexpat.so.1 with link time reference

abrt_version:   2.0.8
cmdline:        python /usr/share/system-config-printer/system-config-printer.py
comment:        Unable to open printing GUI tools. 
executable:     /usr/share/system-config-printer/system-config-printer.py
kernel:         2.6.32-431.el6.x86_64
last_occurrence: 1423631103
time:           Tue 10 Feb 2015 10:21:57 AM MYT
uid:            0
username:       root

backtrace:      Text file, 7740 bytes
sosreport.tar.xz: Binary file, 4310500 bytes