Ticket 50317 - fix ds-backtrace issue on latest gdb
Bug Description: ds-backtrace was failing due to a
type issue on latest python/gdb on suse.
Fix Description: If debug info is missing, a nonetype
was returned in the backtrace, causing a type mismatch
on " ".join().
https://pagure.io/389-ds-base/pull-request/50317
Author: William Brown <william@blackhats.net.au>
Review by: ???