python: py3 port of smb module

Wed Mar 28 11:00:36 UTC 2018

New comment by noelpower on Samba Github repository

https://github.com/samba-team/samba/pull/147#issuecomment-376847043
Comment:
Can someone restart the ci build ? or tell me how to. The failures seem to have nothing to do with the changes
"E: Failed to fetch http://dl.bintray.com/apache/cassandra/dists/39x/main/binary-amd64/Packages  502  Bad Gateway [IP: 52.10.151.113 80]" etc. etc