Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/systemimage/main.py", line 317, in main
    state.run_until('reboot')
  File "/usr/lib/python3/dist-packages/systemimage/state.py", line 175, in run_until
    step()
  File "/usr/lib/python3/dist-packages/systemimage/state.py", line 510, in _download_files
    with Context(*keyrings, blacklist=self.blacklist) as ctx:
  File "/usr/lib/python3/dist-packages/systemimage/gpg.py", line 135, in __init__
    raise FileNotFoundError(blacklist)
FileNotFoundError: /var/lib/system-image/blacklist.tar.xz