The library is imported if available, but we never build it in any
environment where the package would be installed. It was last used for
RHEL 6 builds.
Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>
(cherry picked from commit d95d1f59e2ae243ea794c5f5613fef3249b4fad6)
This should make all tests pass on both Python 2 and Python 3.
Unittest2 is required on Py 2.6 and Py 3.
Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>