Use of 'six' library for the backwards compatibility with Python 2
Signed-off-by: Dominik Rumian drumian@redhat.com
rebased onto e40fdf22124f9dbcc5f91578c9fd9f9b14625726
rebased onto f28c07fa23d6155150ea3acc2c61573f39bc0156
Commit f2dae4cf fixes this pull-request
Pull-Request has been merged by onosek
Use of 'six' library for the backwards compatibility with Python 2
Signed-off-by: Dominik Rumian drumian@redhat.com