sambatool drs showrepl: prefer self over ctx in python classes
and the line length too.
(Now only python/samba/join.py uses ctx for self, but at least it does
it consistently. This was the only ctx function in the class).
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Feb 9 12:34:06 CET 2018 on sn-devel-144