ensure_subprocess_dead: fixing the way subprocesses are killed
ensure_subprocess_dead: fixing the way subprocesses are killed
rescan_scsi_hosts: join
logging level fix
TRIVIAL removing unused import
Finished release v0.2.15.

* release/v0.2.15:
  TRIVIAL removing unused import
  logging level fix
  rescan_scsi_hosts: join
  ensure_subprocess_dead: fixing the way subprocesses are killed
  ensure_subprocess_dead: fixing the way subprocesses are killed