Fix TypeError("The type (<type 'bool'>) of OVIRT_PUPPET_ENABLED issue

Change-Id: Ice9429c8e11396940da3d2cdb1004906d836d1bc
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1022960
Signed-off-by: hadong <hadong0720@gmail.com>