Comment 2 for bug 1218357

root@ubuntu-phablet:/# system-image-cli -c
channel/device: daily-proposed/grouper
root@ubuntu-phablet:/# system-image-cli -b
build number: 20130834
root@ubuntu-phablet:/# system-image-cli -v
[systemimage] Aug 29 12:49:09 2013 (2044) running state machine [daily-proposed/grouper]
[systemimage] Aug 29 12:49:09 2013 (2044) downloading http://system-image.ubuntu.com/daily/ubuntu/ubuntu-20130828.1.delta-20130822.tar.xz -> /tmp/system-image/ubuntu-20130828.1.delta-20130822.tar.xz
[systemimage] Aug 29 12:49:09 2013 (2044) downloading http://system-image.ubuntu.com/daily/ubuntu/ubuntu-20130828.1.delta-20130822.tar.xz.asc -> /tmp/system-image/ubuntu-20130828.1.delta-20130822.tar.xz.asc
[systemimage] Aug 29 12:49:09 2013 (2044) downloading http://system-image.ubuntu.com/daily/grouper/grouper-20130828.1.delta-20130822.tar.xz -> /tmp/system-image/grouper-20130828.1.delta-20130822.tar.xz
[systemimage] Aug 29 12:49:09 2013 (2044) downloading http://system-image.ubuntu.com/daily/grouper/grouper-20130828.1.delta-20130822.tar.xz.asc -> /tmp/system-image/grouper-20130828.1.delta-20130822.tar.xz.asc
[systemimage] Aug 29 12:49:09 2013 (2044) downloading http://system-image.ubuntu.com/daily/grouper/version-20130834.tar.xz -> /tmp/system-image/version-20130834.tar.xz
[systemimage] Aug 29 12:49:09 2013 (2044) downloading http://system-image.ubuntu.com/daily/grouper/version-20130834.tar.xz.asc -> /tmp/system-image/version-20130834.tar.xz.asc
[systemimage] Aug 29 12:50:11 2013 (2044) uncaught exception in state machine
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/systemimage/state.py", line 104, in __next__
    step()
  File "/usr/lib/python3/dist-packages/systemimage/state.py", line 424, in _download_files
    with Context(*keyrings, blacklist=self.blacklist) as ctx:
  File "/usr/lib/python3/dist-packages/systemimage/gpg.py", line 77, in __init__
    raise FileNotFoundError(blacklist)
FileNotFoundError: /tmp/system-image/blacklist.tar.xz