lwr gives OSError: [Errno 2] No such file or directory

[David Marceau <DavidMarceau@storagequest.com>]

2015-12-31 09:41:55 DEBUG Python version: 2.7.11 (default, Dec  9 2015, 00:29:25) 
[GCC 5.3.1 20151205]
2015-12-31 09:41:56 DEBUG runcmd: ['vmdebootstrap', '--sudo', '--lock-root-password', '--enable-dhcp', '--configure-apt', '--log', 'vmdebootstrap.log', '--squash=cdroot/live/', '--log-level', 'debug', '--customize', 'hooks/customise.sh', '--distribution', 'unstable', '--mirror', 'http://localhost/debian/'] None {}
2015-12-31 09:47:06 DEBUG runcmd: ['xorriso', '-outdev', '/home/david/thumbDebianCd/livewrap002/t003.iso', 'map', 'cdroot/', '/', '-boot_image', 'isolinux', 'dir=/boot/isolinux', '-as', 'mkisofs', '-eltorito-alt-boot', '-e', 'boot/grub/efi.img', '-no-emul-boot', '-isohybrid-gpt-basdat'] None {}
2015-12-31 09:47:07 CRITICAL Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/cliapp/app.py", line 189, in _run
    self.process_args(args)
  File "/usr/local/lib/python2.7/dist-packages/live_wrapper-0.1-py2.7.egg/EGG-INFO/scripts/lwr", line 88, in process_args
  File "/usr/local/lib/python2.7/dist-packages/live_wrapper-0.1-py2.7.egg/EGG-INFO/scripts/lwr", line 136, in start_ops
  File "build/bdist.linux-x86_64/egg/lbng/xorriso.py", line 63, in build_image
    runcmd(self.args)
  File "/usr/lib/python2.7/dist-packages/vmdebootstrap/base.py", line 38, in runcmd
    env=env, **kwargs)
  File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1335, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

Here is the command I executed:
time lwr --log=/home/david/thumbDebianCd/livewrap002/t003.log --image_output=/home/david/thumbDebianCd/livewrap002/t003.iso --isolinux --grub -d unstable -t "task-english task-gnome-desktop task-laptop" -m http://localhost/debian/

apt-mirror was done yesterday 30 Dec 2015 on unstable.