libsemanage: improve semanage_migrate_store import failure

The selinux/semanage python module import error in semanage_migrate_store
was misleading. Before, it would report that the selinux/semanage modules
were not installed even though they were on the system.

Now the import failure is only reported if the modules are not installed.
Otherwise, a stack trace is printed for all other errors in the selinux/semanage
python modules.

Signed-off-by: Yuli Khodorkovskiy <yuli.khodorkovskiy@crunchydata.com>
1 file changed