Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 212, in _process_transaction
    self.install_file(trans, **trans.kwargs)
  File "/usr/lib/python2.7/dist-packages/aptdaemon/worker.py", line 543, in install_file
    res = deb.install(deb_progress)
  File "/usr/lib/python2.7/dist-packages/apt/debfile.py", line 583, in install
    install_progress.finish_update()
  File "/usr/lib/python2.7/dist-packages/aptdaemon/progress.py", line 266, in finish_update
    lock.wait_for_lock(trans, lock.status_lock)
NameError: global name 'trans' is not defined