virt-manager launch failed with traceback error "ImportError: libyajl.so.1: cannot open shared object file: No such file or directory".

Issue

• virt-manager launce failed with following traceback error.

Traceback (most recent call last):
  File "/usr/share/virt-manager/virt-manager.py", line 383, in <module> 
     mail ()
  File "/usr/share/virt-manager/virt-manager.py", line 286, in main
    from virtManager import cli
  File "/usr/share/virt-manager/virtManager/cli.py", line 29, in <module>
    import libvirt
  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 25, in <module>
    raise lib_e
ImportError: libyajl.so.1: cannot open shared object file: No such file or directory