INFO Installing the disk metadata ...
INFO Creating the ISO image with Xorriso...
CRITICAL Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/cliapp/app.py", line 193, in _run
    self.process_args(args)
  File "/usr/lib/python2.7/dist-packages/lwr/run.py", line 142, in process_args
    self.start_ops()
  File "/usr/lib/python2.7/dist-packages/lwr/run.py", line 375, in start_ops
    xorriso.build_image()
  File "/usr/lib/python2.7/dist-packages/lwr/xorriso.py", line 71, in build_image
    print(' '.join(self.args))
TypeError: sequence item 6: expected string, int found

We want only strings here, patch attached.

Dear submitter,

as the package live-wrapper has just been removed from the Debian archive
unstable we hereby close the associated bug reports.  We are sorry
that we couldn't deal with your issue properly.

For details on the removal, please see https://bugs.debian.org/1009282

The version of this package that was in Debian prior to this removal
can still be found using http://snapshot.debian.org/.

Please note that the changes have been done on the master archive and
will not propagate to any mirrors until the next dinstall run at the
earliest.

This message was generated automatically; if you believe that there is
a problem with it please contact the archive administrators by mailing
ftpmaster@ftp-master.debian.org.

Debian distribution maintenance software
pp.
Thorsten Alteholz (the ftpmaster behind the curtain)